System's electrical equipment and to the end of line pressure switch.
它是通过末端的压力开关连接到系统的电器设备。
On-demand pumps have a pressure switch that makes the pump build up pressure in the fresh water line.
按需水泵有一个压力开关，使泵在淡水输送线上产生压力。
The utility model relates to a non-contact on-line monitor for air leakage and negative pressure fault in a high-voltage vacuum switch.
本实用新型是一种非接触式的在线监测高压真空开关的漏气及负压故障的装置。
The utility model relates to a non-contact on-line monitor for air leakage and negative pressure fault in a high-voltage vacuum switch.
本实用新型是一种非接触式的在线监测高压真空开关的漏气及负压故障的装置。
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