To prevent excessive （） in the transverse girders, the tie bolts are positioned as close to the center of the crankshaft as possible.

The A-frames carry the crosshead guides and support the...

单项选择题The A-frames carry the crosshead guides and support the engine （）.

Basically the bedplate consists of two （）, which run th...

单项选择题Basically the bedplate consists of two （）, which run the length of the engine.

The bedplate must be rigid enough to support the weight...

单项选择题The bedplate must be rigid enough to support the weight of the rest of the engine, and maintain the crankshaft, which sits in the bearing housings in the （）, in alignment.