英语动词BACKFILL的变化形式
PRESENT
Present
I backfill
you backfill
he/she/it backfills
we backfill
you backfill
they backfill
Present continuous
I am backfilling
you are backfilling
he/she/it is backfilling
we are backfilling
you are backfilling
they are backfilling
Present perfect
I have backfilled
you have backfilled
he/she/it has backfilled
we have backfilled
you have backfilled
they have backfilled
Present perfect continuous
I have been backfilling
you have been backfilling
he/she/it has been backfilling
we have been backfilling
you have been backfilling
they have been backfilling
PAST
Past
I backfilled
you backfilled
he/she/it backfilled
we backfilled
you backfilled
they backfilled
Past continuous
I was backfilling
you were backfilling
he/she/it was backfilling
we were backfilling
you were backfilling
they were backfilling
Past perfect
I had backfilled
you had backfilled
he/she/it had backfilled
we had backfilled
you had backfilled
they had backfilled
Past perfect continuous
I had been backfilling
you had been backfilling
he/she/it had been backfilling
we had been backfilling
you had been backfilling
they had been backfilling
FUTURE
Future
I will backfill
you will backfill
he/she/it will backfill
we will backfill
you will backfill
they will backfill
Future continuous
I will be backfilling
you will be backfilling
he/she/it will be backfilling
we will be backfilling
you will be backfilling
they will be backfilling
Future perfect
I will have backfilled
you will have backfilled
he/she/it will have backfilled
we will have backfilled
you will have backfilled
they will have backfilled
Future perfect continuous
I will have been backfilling
you will have been backfilling
he/she/it will have been backfilling
we will have been backfilling
you will have been backfilling
they will have been backfilling
CONDITIONAL
Conditional
I would backfill
you would backfill
he/she/it would backfill
we would backfill
you would backfill
they would backfill
Conditional continuous
I would be backfilling
you would be backfilling
he/she/it would be backfilling
we would be backfilling
you would be backfilling
they would be backfilling
Conditional perfect
I would have backfill
you would have backfill
he/she/it would have backfill
we would have backfill
you would have backfill
they would have backfill
Conditional perfect continuous
I would have been backfilling
you would have been backfilling
he/she/it would have been backfilling
we would have been backfilling
you would have been backfilling
they would have been backfilling
IMPERATIVE
Imperative
you backfill
we let´s backfill
you backfill
NONFINITE VERB FORMS
Past participle
backfilled
Present Participle
backfilling
与 «BACKFILL»相关的英语书籍
在以下的参考文献中发现
backfill的用法。与
backfill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
Underground cable thermal
backfill
Includes a chapter on computer-aided design of cable thermal backfill.
2
Use of Flowable Fill as a
Backfill Material Around Buried Pipes
The objective of this research work was to study the performance of flowable fill as a backfill material around buried plastic corrugated pipes.
3
Underground Mining Methods: Engineering Fundamentals and ...
In the early 1980s, the development of paste backfill began with the first active
system being commissioned in Germany at Preiessage's Bad Grund Mine. Paste
backfill allows full plant tailings with a high solids content to be transported at a ...
William A. Hustrulid, W. A. Hustrulid, 2001
4
Backfill Optimization Using Mine Tailings for Improved ...
Numerical modeling can be used to find the optimum thickness of the backfill layers with the required strength. Each layer has different binder content and different strength.
Nadarajah Nanthananthan, Dalhousie University. Department of Civil and Resource Engineering. Mineral Resource Engineering Program, 2006
5
Construction Estimating Reference Data
Backfill is required around building foundations, back of retaining walls and
around utility lines in trenches. Backfill should not be placed against foundations
or retaining walls until the concrete has reached its design strength, usually 28
days.
6
Effect of Structure
Backfill on Stiffness and Capacity of ...
Caltrans geotechnical engineers and field material inspectors were consulted in
the selection of the materials to use for the embankment and structure backfill. It
was decided to select the structure backfill materials which match with the second
...
7
Tailings and Mine Waste 2002: Proceedings of the 9th ...
Departement des Sciences Appliquees, Unite de recherche et de service en
technologie minerale Universite du Quebec en Abitibi-Temiscamingue, Rouyn-
Noranda, Quebec, Canada ABSTRACT: Paste backfill mixture with binder was
poured ...
8
Rock Support in Mining and Underground Construction
Post-yield was characterized strains in the order of 4%, before the bearing
capability of the backfill was destroyed. The above observations indicate that
there is a change in backfill strength behaviour as it is increasingly consolidated.
P.K. Kaiser, D. McCreath, 1992
Perched Water Table in Backfill A very serious condition arises when the water
table stands high in the backfill, but there is no water standing against the
exposed face of the wall. If, for example, the retaining wall rests upon an
impermeable ...
10
Mine Planning and Equipment Selection 1995
Department of Mining Engineering, Queen's University, Kingston, Ont., Canada
ABSTRACT: A few potash mines in Canada utilize backfill as an integral
component of mining. Environmental and governmental directives have
motivated other ...
J. Hadjigeorgiou, A.K. Mehmotra, R. Poulin, 1995
包含词语«BACKFILL»的新条目
找出国内和国际出版社所讨论的内容，以及词语
backfill在以下新条目的上下文中是如何使用的。
Portion of Kingshighway closed for bridge replacement
Crews are using a “flowable backfill” material that doesn't need as much time to set as traditional dirt, which could cut a few months off the time ... «STLtoday.com, 七月 15»
Childcare costs pinch working families
And the twenty-five percent extra given to five-star centers is sometimes used to backfill losses from Wisconsin Shares off-market rates. «Channel3000.com - WISC-TV3, 七月 15»
You want to be in trades — get in line for high-paying job
... who are ready to walk out the door because they are in their early and mid-60s, and there is not enough people to backfill those positions.” ... «Press Publications Inc., 七月 15»
Update on Colleyville Road Construction
... one lane from 7:00 a.m. to 6:00 p.m. in some areas. The contractor is working on backfill of curbs, mailbox replacement, and sod placement. «Local News Only, 七月 15»
Report: Extensive deposits of fill likely at EWEB's riverfront property
Backfill is likely weak and potentially compressible,” the report said. “The depth of the unsuitable fill can be significant and will require detailed ... «The Register-Guard, 七月 15»
Indian town living in flames for a century
Experts think that the firms failed to backfill mines after digging, exposing them to the open air and allowing fires to start by spontaneous ... «The Daily Star, 七月 15»
Army Corps presents Fort Totten lead remediation options to public
The fourth alternative, which seemed to be favored by the public, would be complete removal, off-site disposal and backfill of about 1,667 cubic ... «TimesLedger, 七月 15»
Water released into Kings River ahead of holiday weekend
It takes hours, and days to slowly backfill the sand here. While it might be just in time for Fourth of July, it brings a lot of hidden dangers for river ... «ABC30.com, 七月 15»
$9.5M landscaping of I-696 is looking dead in spots
... earth excavation and backfill slopes ($95,000), add aggregate base ($175,000), slope paving under bridge area ($340,000), mobilization for ... «Detroit Free Press, 七月 15»
Platts Japan Korea Marker for Aug LNG delivery rises to $7.45 …
Ongoing buying interest from traders and portfolio sellers looking to backfill short positions remained apparent, according to several sources, ... «Hellenic Shipping News Worldwide, 七月 15»
