If water pipes are damaged, shut off the supply at the main valve.
如果水管破裂，请在主控阀处切断水流。
Turn off the gas, using the outside main valve if you can, and call the gas company from a neighbor \ 's home.
如果可能的话，从外面的主阀门关掉煤气。从邻居家给天然气公司打电话让他们处理。
Caution: Before maintenance, shut off the power and close the main valve.
注意：吹灰器维护检修时，一定要先切断电源，检修阀门时应关闭管路总阀。
Mainly by the main valve seat, the main valve plate, piston, springs and other parts.
主阀主要由阀座、主阀盘、活塞、弹簧等零件组成。
The main valve, globe or angle pattern, is diaphragm actuated, hydraulically operated.
主阀，截止阀或角阀结构，采用隔膜驱动，液压操作。
The main valve and pilot system can be serviced without removing the valve from the line.
不需要从管线上拆卸阀门，就可以对主阀和引导系统进行维修。
Soft airproof main valve can obtain high airproof in the scope of over 95% lift pressure.
软密封的主阀瓣能在95%以上的开启压力范围内获得高密封度。
The check valves shall be modular and shall seal to the main valve body by the use of an O-ring.
这种止回阀应该是模块化的，并且应该采用一个O形环密封在主阀体上。
Turn off the gas, using the outside main valve if you can, and call the gas company from a neighbor's home.
如果能够，关掉户外主煤气阀，用邻居家的电话打电话给煤气公司。
Hydraulic control valve is a main valve and the exterior of the needle valve and a combination of the pilot valve.
水力控制阀是由一只主阀及其外装之针形阀和先导阀等组合而成。
The main valve spindle incorporates an inner spindle for double regulation memory stop and valve position setting.
主阀轴配置一个内轴，适用于双重调节止动记忆和阀门位置设置。
In this paper, the main valve width and directive gain for uniform linear array of antennas in phased scanning are estimated.
本文对均匀直线阵列天线在相控扫描过程中的主瓣宽度和方向性系数进行了估算。
According to the report, it took firefighters hours to stop the leak because the pipeline's main valve was damaged in the explosion.
据报道，因为管道主阀门在爆炸中已被损坏，消防人员花了几个小时才阻止了煤气的渗漏。
A complete processing technology is summed up for the main valve opening of the dividing control valve in the fine machining pieces based on the study and test.
通过对精密加工件分配阀体主阀孔的加工工艺试验及研究，总结了一套行之有效的加工工艺。
Hydraulic control valve consists of a main valve and attached to the catheter, guided valves, needle valves, ball valves and pressure gauges and other components.
水力控制阀由一个主阀及其附设的导管﹑导阀﹑针阀﹑球阀和压力表等组成。
Based on the inhouse structure of JZ-7 air brakes, the design scheme of distribution valves for passenger locomotives was proposed and the main valve of new distribution valves was developed.
从JZ 7型空气制动机本身的结构出发，提出了客运机车分配阀的方案，研制了新的分配阀主阀。
The commissural region of the main and accessory valve can be divided into the commissural region between single main valve and accessory valve, and between united main valve and accessory valve.
主副瓣连合区分为单主瓣和副瓣间连合区及联合主瓣和副瓣间连合区。
Main valve housing is a key part of giant turbines.
主汽门阀壳是大型汽轮机的关键零件。
Main valve housing is a key part of giant turbines.
主汽门阀壳是大型汽轮机的关键零件。
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