常見例句雙語(yǔ)例句Once in a while check the transmission fluid level and condition.偶爾檢查自動(dòng)變速器油的液面高度及其狀況。Air-fluid level in the left maxillary sinus (red arrow) containing high attenuation is consistent with hematoma.左側(cè)上頜竇氣液平面（紅箭）密度較高，符合出血。Based on the principle of mass balance, this paper deals with rules of. motion of the pseudo-fluid level in the annular space in the process of testing the pumping oil well.本文應(yīng)用物質(zhì)平衡原理，研究了抽油井環(huán)空擬液面在測(cè)試過程中的運(yùn)動(dòng)規(guī)律。 返回 fluid level