idle running pump driving gear的意思|示意
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英 / /
惰行泵主动齿轮
idle running pump driving gear的网络常见释义
惰行泵主动齿轮 ... train running gear 机车走行部 idle running pump driving gear 惰行泵主动齿轮 running-in of gear 齿轮跑合 ...