A、temporary guide base
B、permanent guide base
C、guide frame
D、foundation template
更多“A heavy steel device that is set on the sea floor and used as a drilling template in offshore drilling operations is called a（）.”相关的问题
A、crow bar B、device to force a water tight door against the frame C、heavy steel beam D、wedge
A、crow bar B、device to force a water tigh door against the frame C、heavy steel beam D、wedge
A、Steel brush B、Fine emery cloth or steel wool C、A section of the removed compression ring D、A case hardened scraper
A、timber or steel rails B、locomotives or boilers C、railway passenger coaches D、motor vehicles
A、Steel brush B、Fine emery cloth or steel wool C、A section of the removed compression ring D、A case hardened scraper
A、A.timber or steel rails B、B.locomotives or boilers C、C.railway passenger coaches D、D.motor vehicles
A、mallet used when splicing wire rope B、sharp pointed crow bar used to unlay wire rope C、tapered steel pin used to separate wire rope D、tapered wooden pin used when splicing heavy rope
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