crankcase oil sump的意思|示意
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曲轴箱油底壳
crankcase oil sump的网络常见释义
曲轴箱机油槽 ... crankcase oil mist；曲轴箱机油油雾 crankcase oil sump；曲轴箱机油槽 crankcase pressure；曲轴箱压力 ...