自紧油封 meaning in English

self tightening oil seal
self-tightening oil seal

Dipl . ing . eugen vom cleff gmbh offers offers on shaft seals , o rings and hydraulic packings . additionally also on radial shaft sealing rings and shaft seals
该企业为您提供阻尼器、减震器、消声器、减摆器、扭转振动减振器、汽船、调节风门、阻尼装置、密封环和缓冲装置以及棒料密闭和自紧油封的报价。
Seal concept gmbh dichtungen halbzeuge is one of the reliable industrial companies in the range rod seals as well as gaskets , hydraulic packings and also rotary shaft seals
该企业为您提供阻尼器、减震器、消声器、减摆器、扭转振动减振器、汽船、调节风门、阻尼装置、密封环和缓冲装置以及棒料密闭和自紧油封的报价。