... fresh water distribution main 食水配水管 distribution main line 配电干线 primary distribution main 一次配电干线 ...
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Distribution and capacity of the traction substation facility shall satisfy the requirement of the velocity aim traffic volume marshalling and running interval of main line.
牵引变电站设施的分布与容量应满足干线的速度目标、交通量、编组以及运行间隔要求。
Series G, MG Float & Thermostatic Steam Traps are designed for use on modulating process equipment and as main distribution line drip traps.
系列G， MG浮子恒温疏水阀专用于调节工艺加工设备和作为主配水管道滴水阀。
Ball valve used to be cut off in the main line, distribution and change the direction of the flow medium.
球阀在管路中主要用来做切断、分配和改变介质的流动方向。
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