... -减压阀 (Pressure relief valves) -放水阀 (Drain valves) -感载阀 (Load sensing valves) ...
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... 数字电压表 digital voltmeters 排水阀 drain valves 土方和环境美化机 earth moving and landscaping machines ...
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Self-closing drain valves 自闭式放泄阀
Bottom drain valves 底部泄放阀
Electronic Drain Valves 电子排水阀
drain regulating valves 疏水调节阀
Locate the heater so that panels and drain valves are accessible.
放置热水器时，要使得热水器的面板和排水阀朝向容易操作的方向。
Locate the heater so that access panels and drain valves are accessible.
放置热水器时，要使得热水器的面板和排水阀朝向容易操作的方向。
The low pressure header shall be brass and shall be near the panel floor with drain valves and tundishes piped to a drain.
低压力头应黄铜，并应靠近排水阀和中间包输送到一个排水板地板。
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