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- normal close valve 常闭阀,常关阀
- Close valve completely before installation. 安装前要完全关闭阀门。
- normally close valve 常关阀
- Equipped with hydraulic check feature to close valve on pressure reversal. 配置液压止回阀来阻止阀门的压力逆向。
- Close valves at both inlet and outlet ends. 进、出水端阀门关上。
- Rollover debits or credits will be reflected in the Customer's Account at a time after the normal close of the business day for SNC. 滚转的借记或信贷将在正常交易日关闭后一段时间内反映在客户的帐户上。
- Rollover debits or credits will be reflected in the Customer's Account at a time after the normal close of the business day for TSG. 滚转的借记或信贷将在正常交易日关闭后一段时间内反映在客户的帐户上。
- If cylinder does subcool, close valve and allow cylinder to warm up.DONOT APPLY HEAT! 如果钢瓶没有过冷，关闭阀门让钢瓶升温。
- Equipped with mechanical lift check feature to close valve the moment flow stops, preventing reverse flow. 配置机械提升式止回阀，当阀门出现流量停止时关闭阀门，防止倒流。
- Close valve C. Open valve A, then open valve B 1.2 turn, loosen hose at test cock #4 to remove air. Retighten hose. 关闭阀门C。开启阀门A，然后将阀门B开启1.;2圈，松开测试旋塞4号上的软管排出空气。重新紧固软管。
- The VMR type valve is a fast opening solenoid valve that is normally closed. 一种快开快闭的燃气安全阀，是常闭型的电磁阀, 在断开的状态下弹簧作用在阀芯上以阻止气体的通过。
- TYPE WS：Forged Brass Body,Normally Close,For Steam.High Temp.Fluids etc. 型号WS：锻铜阀体，通电阀型，适用于蒸气、高温流体等。
- normally closed valve 常闭阀
- This is the only place to get a drink after hours(= after the normal closing time for pubs). 这是酒吧正常关门时间之后唯一能喝一杯的地方。
- Normally closed position, opens when pressure reaches set-point. 通常处于关闭位置,当压力达到设置点时开启。
- Close valve fully three times for three seconds and record highest pressure indicated each timAll three readings must be above pump relief pressure specifications and within 345 kPa (50 psi) of each other. 紧闭阀门三次，并记录每次的最高压力。三次读数均需高于油泵释压规格，且读数间的差异不得高于345千帕(50 psi)。
- A disc brake on oil drilling rig is a composite braking system composed of normal open braking calipers and normal closed braking calipers. 石油钻机用盘式刹车是同时具备常开式和常闭式制动钳的复合制动系统,不但具有多种制动功能,还具有多种安全保护和报警功能。
- How to flexibly use the normal opened contact and normal closed concoct to bring about multifunchonal controlling are emphatically described. 重点阐述了如何灵活运用晶体管液位控制器的常开接点、常闭接点，实现多种控制功能，达到为黄金生产服务的目的。
- The structure of closed valve bonnet influences the perfor-mance of sucker rod pumps. 闭式阀罩是影响抽油泵使用性能的零件。
- How to Select the Main Parameters of the Grooved Ball- Chamber of Closed Valve Bonnet on Sucker Rod Pumps. 抽油泵闭式阀罩槽形球室主要结构参数的选择
