A . the same piston
B . the piston nearby
C . the other pistons
D . the generators on board
[单选题]The piston moving up and down keeps the crankshaft ().A . to revolveB . revolvedC . revolvingD . to be revolved
[单选题]The piston moves up and down, thus causing the rotational movement of the()A . crankshaftB . connecting rodC . cross-headD . main beating
[名词解释] 推送速度 pushing speed
[名词解释] 推送线 pushing track
[名词解释] 牵引小车 pushing carriage
[单选题](piston area)×(piston stroke)×(numbers of the cylinders)=engine( ).A.brake horsepowerB.displacementC.cylinder volumeD.cylinder clearance
[名词解释] 驼峰推送部分 pushing section of hump
[单选题]Solar energy is man's most important energy source. As the name implies, so
[单选题]Solar energy is man's most important energy source. As the name implies, so
[单选题]Solar energy is man's most important energy source. As the name implies, so