Super thermostatic water bath shell made of metal plate, a control box is mounted directly on the water tank.
超级恒温水浴外壳采用金属板，控制箱直接安装在水箱上。
The sheet steel for lighting distribution box is made into frameless shape, the main parts of which are shell, zero line bar, protective earth bar and panel etc.
照明配电箱用薄钢板做成无骨架形体，主要部件有壳体、零线排、保护接地排、面板等。
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