Fully enclosed, no seams, no cavity, no hot and cold bridge.
全封闭、无接缝、无空腔，没有冷热桥产生。
Fully enclosed structure, double frame design, can be split into the publishing house.
全封闭结构，双框设计，可分体进出版房。
The current transformer is fully enclosed structure.
本型电流互感器为全封闭结构。
The current transformer is fully enclosed structure.
本型电流互感器为全封闭结构。
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