1. liquid ring vacuum pump 
   液环真空泵
2. rotary plunger vacuum pump 
   滑阀真空泵
3. spontaneous breaking of vacuum 
   真空自发破缺
4. steam ejection vacuum pump 
   水蒸汽喷射真空泵
5. surface analysis in vacuum 
   真空表面分析技术

查看更多例句 相关情景会话

• 1. 真空度
  vacuum thermocouple真空热电偶...vacuum tightness真空度...vacuum tower真空蒸馏塔
  www.oilsoft.cn - 相关搜索
• 2. 真空密闭性
  vacuum thermometer 真空温度计...vacuum tightness 真空密闭性...vacuum tube 真空管
  www.zftrans.com - 相关搜索
• 3. 真空密封度
  vacuum tester 真空检验器...vacuum tightness 真空密封度...vacuum trouble shooting 真空系统故障排除
  www.shuyu.org - 相关搜索
• 4. 真空密闭
  [化]真空密封 vacuum tightness...真空密闭 vacuum topping...减压拔顶蒸馏 vacuum tower
  www.ifanyi.cn - 相关搜索