单选题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.Alongitudinal girdersBtransverse girdersCfore girdersDaft girders
单选题
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.
A
longitudinal girders
B
transverse girders
C
fore girders
D
aft girders
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