常見例句雙語例句Visually inspect all sealing element.目眡檢查所有密封件。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躰的一個縱麪上竝且由塑料搆成。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，用於密封不槼則的表麪，如電纜等。www.infopetro.com.cn 返回 sealing element