“piston seals”的概念、定义、翻译、参考文献-科学参考

单词	piston seals
释义	piston seals Encyclopedia 工学往复密封释 piston seals活塞密封活塞与缸体之间的密封。活塞密封的密封槽开在活塞上，属于孔用密封圈。又称活塞环密封。
随便看	negative permeability materials negative permittivity materials negative phototropism negative plate negative platemaking negative Poisson's ratio material negative polarity items negative polarity machining negative polynomial distribution negative-positive photographic system negative pressure negative pressure injection negative pressure method for deposit negative-pressure pulverizer with intermediate storage bunker negative pressure region negative pressure suction appliance negative priming effect negative probability negative proposition negative punishment negative quadratic differential negative real axis negative real number negative recurrent state negative refraction

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