forepump是什么意思?

n.
前置真空泵,预抽真空泵

相关问题
  • forepump怎么读

    forepump的音标:forepump的英式发音音标为:['fɔ:pʌmp]forepump的美式发音音标为:['foʊrˌpʌmp]...
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