安装支架，阀门，管道和控制系统。
阀门和过滤器必须采用常规的管道系统支撑装置加以支撑。
Valve and strainers must be supported with conventional piping system support devices.
在一些更大的系统中，例如那些使用很长的传送带或管道系统，应该对流程图和鉴定阀门的管道系统图和书面的清洗程序进行检查。
In larger systems, such as those employing long transfer lines or piping, check the flow charts and piping diagrams for the identification of valves and written cleaning procedures.
地上和地下管道，阀门，排水渠，控制器和电线在一个景观灌溉系统的所有元素。
Underground and aboveground pipes, valves, drains, controllers and electrical wiring are all elements in a landscape irrigation system.
真空泵、空管道、空阀门和真空测量头组成了真空系统。
The vacuum system consists of vacuum pumps, vacuum pipelines, vacuum valves and vacuum measurers.
液压系统中阀门(换向阀等)突然关闭时，液压泵的流量脉动频率和管道的基本频率相互作用，可能发生谐振。
In hydraulic transmission system, the pump's flow pulse frequency and the pipes base frequency affects each other, if the valves shut suddenly, resonance oscillation may take place.
高品质不锈钢的管道阀门，无缝焊接的连接口，以保证绝对的气体密闭性和管道系统的耐用性。
High quality stainless pipe valve and seamless welded joint can ensure absolutely air conurbation and durability of pipe system.
螺纹旋进式阀盖：通常用于轻型管道系统和小尺寸青铜多回转阀门中。
Threaded-in bonnet is common in lighter-duty services and smaller sizes of bronze multi-turn valves.
新购买的阀门应该经过制造商的清洗和包装，适用于氧气管道系统。
Valve shall be provided by manufacturer cleaned and bagged for oxygen service.
在建筑物管道系统中，阀门起着控制流体的作用。由于结构和材质的不同，因此制造出的阀门也就各不相同。
Valves serve the purpose of controlling the fluids in building services piping. Valves are produced in a variety of design types and materials.
在建筑物管道系统中，阀门起着控制流体的作用。由于结构和材质的不同，因此制造出的阀门也就各不相同。
Valves serve the purpose of controlling the fluids in building services piping. Valves are produced in a variety of design types and materials.
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