英语动词PREFORM的变化形式
PRESENT
Present
I preform
you preform
he/she/it preforms
we preform
you preform
they preform
Present continuous
I am preforming
you are preforming
he/she/it is preforming
we are preforming
you are preforming
they are preforming
Present perfect
I have preformed
you have preformed
he/she/it has preformed
we have preformed
you have preformed
they have preformed
Present perfect continuous
I have been preforming
you have been preforming
he/she/it has been preforming
we have been preforming
you have been preforming
they have been preforming
PAST
Past
I preformed
you preformed
he/she/it preformed
we preformed
you preformed
they preformed
Past continuous
I was preforming
you were preforming
he/she/it was preforming
we were preforming
you were preforming
they were preforming
Past perfect
I had preformed
you had preformed
he/she/it had preformed
we had preformed
you had preformed
they had preformed
Past perfect continuous
I had been preforming
you had been preforming
he/she/it had been preforming
we had been preforming
you had been preforming
they had been preforming
FUTURE
Future
I will preform
you will preform
he/she/it will preform
we will preform
you will preform
they will preform
Future continuous
I will be preforming
you will be preforming
he/she/it will be preforming
we will be preforming
you will be preforming
they will be preforming
Future perfect
I will have preformed
you will have preformed
he/she/it will have preformed
we will have preformed
you will have preformed
they will have preformed
Future perfect continuous
I will have been preforming
you will have been preforming
he/she/it will have been preforming
we will have been preforming
you will have been preforming
they will have been preforming
CONDITIONAL
Conditional
I would preform
you would preform
he/she/it would preform
we would preform
you would preform
they would preform
Conditional continuous
I would be preforming
you would be preforming
he/she/it would be preforming
we would be preforming
you would be preforming
they would be preforming
Conditional perfect
I would have preform
you would have preform
he/she/it would have preform
we would have preform
you would have preform
they would have preform
Conditional perfect continuous
I would have been preforming
you would have been preforming
he/she/it would have been preforming
we would have been preforming
you would have been preforming
they would have been preforming
IMPERATIVE
Imperative
you preform
we let´s preform
you preform
NONFINITE VERB FORMS
Past participle
preformed
Present Participle
preforming
与 «PREFORM»相关的英语书籍
在以下的参考文献中发现
preform的用法。与
preform相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Speciality Plastics, Foams (Urethane, Flexible, Rigid) Pet & ...
If the preform is stretched too far-beyond the natural stretch ratio-slippage occurs
between layers, which becomes visible as pearlescence.) If the preform is blown
hotter, then the stretching that is possible before causing pearlescence will be ...
NIIR Board of Consultants & Engineers, 2005
2
Chemical Vapor Deposition: Proceedings of the Fourteenth ...
of the radius of the preform. The electric fields within the body are relatively
uniform in the axial direction with some variation due to the coil configuration.
The time-averaged values of power density deposited in the preform by the RF
field ...
Mark Donald Allendorf, Claude Bernard, 1997
3
Powder Metallurgy Technology
7.5.1. Preform Manufacturing and Forging Powder Blending: The conventional
use of powder blending is mixing the alloy ingredients and the lubricant. The
alloy ingredients introduce chemical heterogeneity into the finished part because
the ...
4
Handbook of Workability and Process Design
14 (a) Preform. (b) Finish shape. RPF, fillet radius of preform; RP, blend-in radius
of ing; RFF, finish-forging radius; wF, width of forging; HR, depth of cavity; RF
blend-in Ref7 preform; DF, height of forg- radii of forging. Source: Fig. 16 Metal
flow ...
Edited by George E. Dieter, Howard A. Kuhn, S. Lee Semiatin, George Ellwood Dieter, 2003
5
Isothermes und thermisch-mechanisches Ermüdungsverhalten von ...
Die Formfüllung und Dichtspeisung dieses Verfahrens sind sehr gut, da bei
Enddrücken von über 100 MPa Schmelze und Preform auf atomaren Abstand
gebracht werden, was eine gute Bindung von Preform und Matrix begünstigt (KS
86).
6
Bottles, Preforms and Closures: A Design Guide for PET Packaging
This book is a thoroughly practical handbook that provides engineers and managers with the toolkit to improve production and engineering aspects in their own businesses - saving money, increasing output and improving competitiveness by ...
7
8th Annual Conference on Composites and Advanced Ceramic ...
That is, the process should be rate-limited by a chemical reaction, rather than by
diffusion through the pores of the preform or by diffusion through a stagnant gas
boundary layer.'9 Other process conditions that cause deposition to be reaction ...
8
Surfaces and Interfaces of Electronic Materials
Table 21.12 Ohmic contact technology for |||—V and mixed III—V compound
semiconductors. lll-V E<; (eV) Type Contact material Technique Alloy temperatu
re (0 C) AlN 5 .9 Semi-i Si Preform Semi-i Al, Al—In Preform 1500-1800 Semi-i
Mo,W ...
Leonard J. Brillson, 2012
9
3D Fibre Reinforced Polymer Composites
Chapter 3 Preform Consolidation 3.1 INTRODUCTION The 3D textile preform
production techniques outlined in the previous chapter are only the first stage in
the production of a 3D fibre reinforced composite material. The use of
sophisticated ...
L. Tong, A.P. Mouritz, M. Bannister, 2002
Barry J. Elliott, Mike Gilmore. Irrespective of the quality of fiber manufacture it is
impossible to produce high-quality optical fiber from poor-quality preforms. The
preform acts as a template for fiber construction and is essentially a solid rod
much ...
Barry J. Elliott, Mike Gilmore, 2002
包含词语«PREFORM»的新条目
找出国内和国际出版社所讨论的内容，以及词语
preform在以下新条目的上下文中是如何使用的。
Allen County Fun Fair starts on Tuesday offering food, 4-H and fun
He will preform 12-15 jumps over about 10 cars during his performance. Over a dozen rides brought by the North American Midway ... «21Alive, 七月 15»
Husky names Gerardo Chiaia president of global beverage packaging
Husky is the largest maker of PET preform injection presses. Over the last several years, Husky has invested in beverage packaging, rolling out ... «Plastics News, 七月 15»
School's approach encourages students to think, question
Theater students at SkyView are able to preform their productions at the Lone Tree Arts Center. Courtesy photo. The SkyView class of 2015 ... «Centennial Citizen, 七月 15»
Calcium Propionate Market Global Suppliers and Manufacture …
There may be variation in the preform manufacturing method from manufacturer to manufacturer. The report also mentions calcium propionate ... «Benzinga, 七月 15»
New Report on Global and China Optical Fiber Preform Market
ReportsnReports.com adds Global and China Optical Fiber Preform Market Report, 2014-2017 that says optical fiber preform, optical fiber and ... «AZoOptics.com, 七月 15»
Practices Begin at 2015 Vikings Training Camp
"It means you're going to be here longer under contract, but you still have to go out there and preform. That's what your job is based on. It's how ... «WDIO-TV, 七月 15»
Nick Foles couldn't handle pressure from Eagles' fans; can Sam …
The question is, can Bradford? As Bradford will find out, the pressure to preform in Philadelphia will be far more intense than it was in St. Louis. «NJ.com, 七月 15»
We were ahead of the game - Mushfiqur
The bowling from our Bangladesh boys was awesome and it really makes you want to see how they preform on overseas. Well done Tigers ... «ESPNcricinfo.com, 七月 15»
City approves improvement project for former burn dump
The council is working with engineering and environmental consulting firm NCE to preform California Environmental Quality Act compliance ... «Red Bluff Daily News, 七月 15»
James Krause Searching For That Victory
I put myself in this position and I have to preform, plain and simple. I don't really worry about wins and losses I just worry about going out there ... «ChicagoNow, 七月 15»
