“grease seal”的概念、定义、翻译、参考文献-科学参考

单词	grease seal
释义	grease seal [`grēs´sēl] ^ENGINEERING 1. Type of seal used on floating pistons of some hydropneumatic recoil systems to prevent leakage past the piston of gas or oil; also used in cylinders of some hydropneumatic equilibrators. 2. Seal used to retain grease in a case or housing, as on an axle shaft.
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