短語(yǔ)詞組短語(yǔ)oil -bearing effluent 含油污水forced oil lubricated bearing 壓力潤(rùn)滑軸承;強(qiáng)制潤(rùn)滑軸承oil drill bearing [油氣]石油鉆機(jī)軸承 返回 oil bearing