In an engine with a pot-shaped piston some lubric
In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the
A.crosshead
B.crankpin
C.crank journal
D.gudgeon pin
请帮忙给出正确答案和分析，谢谢！
参考解答
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2024-06-15 00:41:08
正确答案：D
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