Perfect tool to measure pipe surface temperatures. Quick and easy Installation. Patented Design.
测量管表面温度的完美工具。能快速简易地安装，获得专利设计。
Lamp shell surface cover ring for standard size, suitable for all kinds of lamps installation;
灯壳面盖环为标准尺寸，适合各种灯具的安装装配；
Lamp shell surface cover ring for standard size, suitable for all kinds of lamps installation;
灯壳面盖环为标准尺寸，适合各种灯具的安装装配；
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