On July 6, 1988, as part of routine maintenance, technicians removed and checked safety valves which were essential in preventing dangerous build-up of liquid gas.
在1988年7月6号，作为日常保养的一部分，技术人员检查阀门的安全，这在预防液态气体的危险中尤为重要。
BP completely shut the valves on the cap late Thursday as part of a 48-hour test to see if the cap can fully contain the oil leaking from the well.
英国石油公司星期四晚间完全关闭了井盖上的阀门，这是检查顶盖是否能够彻底抑制油井漏油的48小时测试的一部分。
The cylinder head carries the valves, valve springs and the rockers on the rocker shaft, this part of the valve gear being worked by push-rods.
缸盖上装有气门、气门弹簧和摇臂轴上的摇臂，推杆推动这部分气门传动机构工作。
Components for containment enclosures - Part 4: Ventilation and gas-cleaning systems such as filters, traps, safety and regulation valves, control and protection devices.
密封罩用组件。第4部分：通风和气体清洁系统(如，过滤器和疏水阀)的安全和规定。阀门、控制和保护装置。
Automatic electric controls for household and similar use - Part 2-19: Particular requirements for electrically operated oil valves, including mechanical requirements; Amendment 1.
家用和类似用途的自动电气控制。第2- 19部分：电气操作油阀门的特殊要求，包括机械要求。修改件1。
Fixed firefighting systems - Components for gas extinguishing systems - Part 13: requirements and test methods for check valves and non-return valves.
固定消防系统。气体灭火系统用元件。第13部分：止回阀要求和试验方法。
Good quality imported membranes shall be selected and used for all the valves, with each part checked in each manufacturing procedure, and put into the assembly line conforming to all the procedures.
注：全部选用优质的进口成品膜片， 膜片组件在制造过程中全部检查， 合格后再进入装配线。
Cryogenic vessels - Safety devices for protection against excessive pressure - Part 1 : safety valves for cryogenic service.
冷凝容器。防超压安全设施。第1部分：冷凝设备的安全阀。
Regulation valves are part of the implementation of devices to regulate direct contact with the media, regulatory medium flow.
调节阀是执行器的调节部分，直接与介质接触，调节介质的流量。
In some regulatory agencies as the lower body Gate Valves part of the valve cover, not separation.
在一些调节机构中下阀盖作为阀体的一部分，并不分离。
Thermoplastics valves - Pressure test methods and requirements - Part 2: test conditions and basic requirements for PE, PP, PVC-U and PVDF valves.
热塑性塑料阀门。压力试验方法和要求。第2部分：聚乙烯、聚丙烯、未增塑聚氯乙烯和聚偏氯乙烯阀门试验条件和。
Tandem (Diverting) part number includes two valves operated from one actuator with one opening while the other closes.
串联(转向)型号包括两个阀门由一个执行器驱动，在一个关闭时另一个开启。
Pneumatic fluid power - Five-port directional control valves - Part 1: mounting interfaces without electrical connector.
气压液动。五通定向控制阀。第1部分：不带电连接器安装接口。
Pneumatic fluid power - Five-port directional control valves - Part 1: mounting interfaces without electrical connector.
气压液动。五通定向控制阀。第1部分：不带电连接器的安装接口。
Pneumatic fluid power - Five-port directional control valves - Part 2 : mounting interface surfaces with optional electrical connector.
气压液动。五通方向控制阀。第2部分：任选电气连接器的安装接口面。
English Name:Cryogenic vessels - Safety devices for protection against excessive pressure - Part 1: Safety valves for cryogenic service;
简体中文标题：低温容器。过压保护用安全装置。第1部分：低温设施用安全阀。
Protection of openings is the important part of the blast-resistant structure. Attentions should be paid to the study of the designing of protection devices, such as blast valves and blast doors.
孔口防护措施是抗爆结构的重要组成部份，因此必须重视研究孔口防护设备如防爆活门与防护门的设计。
Protection of openings is the important part of the blast-resistant structure. Attentions should be paid to the study of the designing of protection devices, such as blast valves and blast doors.
孔口防护措施是抗爆结构的重要组成部份，因此必须重视研究孔口防护设备如防爆活门与防护门的设计。
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