Enclosure proof class for all the fieldmounted 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。
2
Enclosure proof class for all the fieldmounted 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。
3
Through the investigation, research and experimental analysis, we adopted concrete as material in making U-shaped channel and confirmed the factory prefabrication and fieldmounted making process.