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。
Through the investigation, research and experimental analysis, we adopted concrete as material in making U-shaped channel and confirmed the factory prefabrication and field mounted making process.
通过调研与实验分析、样机试制,确定了将混凝土作为U形渠道量水槽制造材料和工厂预制、现场安装的量水槽生产工艺流程;
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