英语词汇“vacuum emergency valve”的读音、翻译、释义、用法及例句-啃外文网

词汇	vacuum emergency valve
释义	见:valve: vacuum emergency valve
随便看	penetration dyeing penetration factor penetration fusion welding penetration hardness penetration index penetration load penetration log penetration number penetration of current penetration of electric field penetration of electrons penetration of grease penetration of pile penetration of the tool penetration price penetration probability penetration range penetration speed penetration survival ability penetration tester penetration theory penetration tube penetration-type kinescope penetrative penetratively

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