backflow造句

例句与造句

1. Another problem can occur rarely if backflow of process gas is permitted into the secondary air feed line .
   如果工艺气体回流入二段空气管线，能发生另外的很少发生的问题。
2. Reduced pressure detector assembly backflow preventer
   减压检测器组合防回流装置
3. Double check detector assembly backflow preventor
   双重检验检测器组合防回流装置
4. Air braking systems ; shuttle valve with backflow
   气压制动系统.回流循环阀
5. The entire automatic wave ridge welds , the backflow welding machine
   全自动波峰焊回流焊机
6. It's difficult to find backflow in a sentence. 用backflow造句挺难的
7. Double check valve backflow - prevention assembly
   双止回阀防回流组件
8. Numerical analysis of backflow distance of smoke in mine fire
   矿井火灾烟流滚退距离的数值模拟
9. Performance requirements for hose connection backflow preventers
   软管连接防回流装置的性能要求
10. 14 backflow prevention assemblies 14 test procedures
    逆流预防总成
11. Dual check valve type backflow preventers
    双重止回阀型防回流装置
12. Four required per backflow preventer
    每个防回流阀需要四个。
13. Back siphonage backflow vacuum breakers
    倒虹吸回流真空关闭阀
14. Laboratory faucet backflow preventer
    实验室旋塞防回流装置
15. For use with backflow preventer test cocks to protect from damage
    用于防回流阀测试旋塞，防止受到破坏。
16. The system should be flushed before the backflow valve is installed
    在安装回流阀之前系统应该进行冲刷。
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