“pumping helix”的概念、定义、翻译、参考文献-科学参考

单词	pumping helix
释义	pumping helix 螺旋型泵浦
随便看	exhaust steam main exhaust steam moisture exhaust steam nozzle exhaust steam nozzle (机车的) exhaust steam passage exhaust steam pipe exhaust steam preheater exhaust steam pressure exhaust steam separator exhaust steam supply pipe exhaust steam turbine exhaust steam valve exhaust stream exhaust stroke exhaust suction pipe exhaust suction stroke exhaust tank exhaust technique exhaust temperature exhaust temperature gage exhaust thrust exhaust time exhaust trail exhaust trumpet exhaust trunk

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