单项选择题
The development of （） has kept pace with the increasing demands made by the steady rise in power produced by modem marine diesels.
A.water
B.fresh air
C.oils
D.gases
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相关考题
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单项选择题
The design of the connecting rod large end bearing is similar to that of the mainbearings Whats the meaning of "that" in the sentence above?（）
A.the connecting rod
B.large end bearing
C.the main bearing
D.the design -
单项选择题
The design of （） is similar to that of the main bearing.
A.the block bearing
B.the camshaft bearing
C.the connecting rod small end bearing
D.the connecting rod large end bearing -
单项选择题
The cylinders, with cooling jackets, are （） to the engine frame by eight tie rods.
A.screwed
B.welded
C.fastened
D.rotated
