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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

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出自：海船船员证

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