“the straightway single-seater valve”的概念、定义、翻译、参考文献-科学参考

单词	the straightway single-seater valve
释义	the straightway single-seater valve Encyclopedia 工学直通单座阀释 the straightway single-seater valve直通单座阀流体流过阀体不改变流动方向，节流部分有一个阀座、一个阀芯的控制阀。
随便看	major element major elements in coal major equipment (first set) insurance major event emergency plan major feedback major fire major flare major function major function-oriented zone major function-oriented zone planning in China major gene major groove major hazard installation major hazard installations major hazard installations for dangerous chemicals major hazard management technology major hazard sources monitoring major histocompatibility antigen major histocompatibility complex major histocompatibility complex，MHC major histocompatibility system major hysteresis loop major instrument majoritarian democracy majority

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