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.<br>A:longitudinal girders<br>B:transverse girders<br>C:fore girders<br>D:aft girders

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.
A:longitudinal girders
B:transverse girders
C:fore girders
D:aft girders

出自：海船船员证

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