“spring safety valve”的概念、定义、翻译、参考文献-科学参考

单词	spring safety valve
释义	spring safety valve Encyclopedia 工学锅炉阀门释 spring safety valve弹簧式安全阀限定压力锅在安全压力范围内排气，保证安全使用的装置。
随便看	headship-rate Head-Smashed-In Buffalo Jump heads-of-states conference in Pre-Qin period headspace gas chromatography headspace gas chromatography (HSGC) headspace gas chromatography (HSGS) headspace sampling headspace technology head spacing headstand projection head start project headstock head sweating head-tail galaxy head-tail radio galaxy head-tail structure head tax head tower head unloading zone head-up display headward erosion head wave headway headword Headwork of Zhengguo Canal

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