is sometimes used for piston cooling since its leakage into the crankcase would not cause additional problems.
AFuel oil
BHydraulic oil
CLubricating oil正確答案
DGasoline oil
答案與詳解
滑油漏入曲軸箱不會造成額外問題,因為曲軸箱內部本來就充滿滑油。
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