单词查询
preventers
释义
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n. 防止者；预防者；防护设备；预防法； 网络释义： 防护者；
例句
A visual check of air gaps is sufficient , but mechanical backflow preventers have to be tested with properly calibrated gauge equipment.
尽管安装气隙足够目视观察，但是机械式防回流阀还是必须用适当量程的仪表设备进行检测。
Do not pick up the entire BOP stack by the ears on annular preventers.
不允许只挂环形防喷器的提环起吊全套防喷器。
Even before the disaster, the operators of many gulf rigs had switched to more advanced preventers, strengthening this last line of defense.
在石油管路破裂时切断管路，甚至在事故发生前操作者可以采用多个隔离部件来切断产生更多阻力，加强最后一道防线。
The ideal solution for residential containment applications that require in-line testable and serviceable dual check backflow preventers.
对于要求在线可检测和可维修双止回防回流阀的住宅防污染应用，这是一个理想的解决方案。
Mechanical backflow preventers have internal seals, springs , and moving parts that are subject to fouling, wear, or fatigue.
机械式防回流阀配置内部密封、弹簧和移动部件可能会被污染、磨损或疲劳。
Perhaps regulators will decided that rig operators , whatever the cost, should install more blind shear rams on all blowout preventers .
或许监督机构会强迫石油开采公司，不论花费什么代价都有安装多个阻止喷射的切断装置。
The TK-DL can test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies.
TK-DL可以检测压力真空断路阀，减压防回流阀或双止回阀总成。
For use with backflow preventers, isolation valve for gauges , isolation valves for small equipment lines.
用于防回流阀，用于仪表的隔离阀，用于小型设备管道的隔离阀。
Backflow preventers should never be placed in pits unless absolutely necessary and then only when approved by local codes.
除非绝对必要并经过当地规程的批准，否则绝不应该将防回流阀放置在坑内。
Flanged base enables secure mounting on blowout preventers, manifolds, and stand pipes. ?
法兰基底确保在防喷器、多头管和出水管上安装的安全性。
尽管安装气隙足够目视观察，但是机械式防回流阀还是必须用适当量程的仪表设备进行检测。
Do not pick up the entire BOP stack by the ears on annular preventers.
不允许只挂环形防喷器的提环起吊全套防喷器。
Even before the disaster, the operators of many gulf rigs had switched to more advanced preventers, strengthening this last line of defense.
在石油管路破裂时切断管路，甚至在事故发生前操作者可以采用多个隔离部件来切断产生更多阻力，加强最后一道防线。
The ideal solution for residential containment applications that require in-line testable and serviceable dual check backflow preventers.
对于要求在线可检测和可维修双止回防回流阀的住宅防污染应用，这是一个理想的解决方案。
Mechanical backflow preventers have internal seals, springs , and moving parts that are subject to fouling, wear, or fatigue.
机械式防回流阀配置内部密封、弹簧和移动部件可能会被污染、磨损或疲劳。
Perhaps regulators will decided that rig operators , whatever the cost, should install more blind shear rams on all blowout preventers .
或许监督机构会强迫石油开采公司，不论花费什么代价都有安装多个阻止喷射的切断装置。
The TK-DL can test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies.
TK-DL可以检测压力真空断路阀，减压防回流阀或双止回阀总成。
For use with backflow preventers, isolation valve for gauges , isolation valves for small equipment lines.
用于防回流阀，用于仪表的隔离阀，用于小型设备管道的隔离阀。
Backflow preventers should never be placed in pits unless absolutely necessary and then only when approved by local codes.
除非绝对必要并经过当地规程的批准，否则绝不应该将防回流阀放置在坑内。
Flanged base enables secure mounting on blowout preventers, manifolds, and stand pipes. ?
法兰基底确保在防喷器、多头管和出水管上安装的安全性。