基本解释真空系统同根派生 vacuum-system相关词英汉例句Meanwhile,a set of fault diagnosis methods adapted to the oil-free vacuum.同时，找到了一套适用于无油真空系统的故障诊断方法。It is worthwhile attempting to use an ultra-high-vacuum system for such purposes.超高真空系统作此用途值得一试。vacuum-system更多例句