- 1. double check valve: 双止回阀
... 三、止回阀(Check valve) 四、双止回阀(Double check valve) 五、减压回流防止阀(Reduced pressure zone backflow preventer) ...
dict.youdao.com - 2. double check valve: 双单向阀
双单向阀(double check valve), 此释义来源于网络辞典。
dict.youdao.com - 3. double check valve: 双向止回阀
... double check system 双重监视系统重复检验制 double check valve 双向止回阀 double check 互相核对 ...
dict.youdao.com - 4. double check valve: 双向阀
lve),以及双向阀(Double Check Valve),分离开关(Cut ..
dict.youdao.com - 5. double check-valve assembly: 双逆止阀装置
dict.youdao.com - 6. double check valve plug: 二级单向阀螺塞
dict.youdao.com - 7. double check valve arrangement: 二级单向阀布置
dict.youdao.com - 8. Double throttle check valve: 双单向节流阀
dict.youdao.com - 9. Double throttle check valve: 双单向节省阀
dict.youdao.com - 10. double-check valve: 双止回阀
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