Vee-type engines have the connecting rods from two cylinders

【名词&注释】

往复泵(reciprocating pump)、0形密封圈、唇形密封圈(lip sealing ring)、活塞杆密封(piston rod packing)

[单选题]Vee-type engines have the connecting rods from two cylinders connected to each _____ of the crankshaft.

A. throw
B. web
C. main bearing
D. deflection

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学习资料：

[单选题]往复泵的活塞杆密封^{(piston rod packing)}一般选用( )。

A. 唇形密封圈
B. 0形密封圈
C. 软填料轴封
D. 机械轴封

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