[单选题]

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

参考答案与解析：

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