[机]波纹管阀
Abstr: the paper introduces the technical features, structural characteristics and design and calculation methods for a small nuclear - class bellows needle valve, analyzes its impact resistance.───文章摘要：介绍了一种小型核级波纹管针型阀的技术性能、结构特点和设计计算，分析了阀门的抗冲击能力。
advantages of wide applicable temperature range, high fatigue resistance and long service life.───具有适用温度范围广，耐疲劳强度高，使用寿命长。
Overall life expectancy, the general life of bellows valve in 3 years.───从总体寿命上, 一般波纹管截止阀使用寿命在3年以上.
Overall life expectancy, the general life of bellows valve in 3 years.
ball valve───[机]球阀，弹子阀
backflow valve───回流阀
bellows fishes───风箱鱼
Cellosolve───n.[有化]溶纤剂；纤维素溶剂（无色液体，油画中用作溶解树脂、树胶的溶剂）；甲基纤维素
ball valves───球阀；球型瓣
bellows fish───风箱鱼
bleed valve───放泄阀；放气阀；排放阀