汽车油底壳位于引擎下部，可拆装，并将曲轴箱密封作为贮油槽的外壳。汽车油底壳是曲轴箱的下半部，又称为下曲轴箱。

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QICHEYOUDIQIAOFENLEI：

1、GANSHIYOUDIQIAO：

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2、SHISHIYOUDIQIAO

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