单项选择题
Piston No2 of main engine has been removed, and it will be （） by noon tomorrow.
A.lifted
B.reassembled
C.dismounted
D.disassembled
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相关考题
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单项选择题
Persistent knocking in one cylinder of a diesel engine could be caused by（）.
A.a low load on that cylinder
B.sluggish piston ring action
C.excessive piston crown cooling
D.excessive clearance of piston pin -
单项选择题
Operating conditions in the crank chamber are very （） those in the cylinder.
A.the same as
B.similar to
C.separated from
D.different from -
单项选择题
Opening of the cylinder （） will admit compressed air into the cylinder.
A.safety valve
B.indicator cock
C.blow-down valve
D.start valve
