活塞环 (piston ring) 崁入活塞槽沟的环，分为两种：压缩环和机油环。 压缩环可用来密封燃烧室内的压缩空气；机油环则用来刮除汽缸上多余的机油。 压力水箱盖 (pressure cap) 一种附有阀门的水箱. 活塞环 (piston ring) 是用于崁入活塞槽沟内部的金属环，活塞环分为两种： 压缩环 和 机油环。压缩环可用来密封燃烧室内的可燃混合气体；机油环则用来刮除气缸上多余的机油。活塞环是一种具有较大向. 知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区.
6 racers won in the Piston cup together by Bryandurate on DeviantArt
Plunger 产生的压力可达200mpa，piston 产生的压力最大150mpa。 短语 plunger piston 柱状活塞 plunger piston number 柱塞数目个 plunger piston push rod 柱塞姗精顶杆
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