常見例句雙語例句Visually inspect all sealing element.目視檢查所有密封件。blog.sina.com.cnSaid sealing element is fixed at least to a longitudinal side of the profile body and is made of a plastic.所述密封元件至少固定在所述型材主體的一個縱面上并且由塑料構(gòu)成。ip.comA flexible, usually elastomeric sealing element and housing used to seal an irregular surface such as a wireline.一種能變形的、通常是彈性的密封部件和外殼，用于密封不規(guī)則的表面，如電纜等。www.infopetro.com.cn 返回 sealing element