Enclosure proof class for all the field mounted electronic instruments shall not be less than IP65.
所有现场安装的气动仪表和控制阀防护等级一般不低于IP65。
Enclosure proof class for all the field mounted pneumatic instruments and control valves shall not be less than IP65.
所有现场安装的气动仪表和控制阀防护等级一般不低于IP65。
Enclosure proof class for all the field mounted pneumatic instruments and control valves shall not be less than IP65.
所有现场安装的气动仪表和控制阀防护等级一般不低于IP65。
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