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The main function of the drawworks on a ship is to（）.

单选题
2022-01-03 20:37
A、transport tubulars from the pipe racks to the derrick floor
B、maintain constant tension on the marine riser
C、store and secure the excess drill line
D、lower and hoist the drill string into and out of the drilled hole
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正确答案
D
试题解析
标签： 船舶结构基本知识
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