常見(jiàn)例句雙語(yǔ)例句Residual oil can be drained via valve at the rear of gear reducer and oil drain valve in thrust bearing oil sump.殘油的排放可由減速機(jī)尾部的閥門(mén)和推力軸承油池的放油閥門(mén)來(lái)進(jìn)行。 返回 bearing oil drain