你可能感興趣的試題

The main function of tie rods in the construction of large, low speed diesel engines is to（）.

A.stiffen the bedplate in way of the main bearings to increase the engines longitudinal strength
B.accept most of the tensile loading that results from the firing forces developed during operation
C.mount the engine frame securely to the hull to prevent shaft coupling misalignment
D.connect the crosshead solidly to the piston rod

單項(xiàng)選擇題

The intake valves in a diesel engine are reseated by （）.

A.cam followers
B.push rods
C.combustion gases
D.valve springs