The hoop cable, the welding joint and the groove of the drum body keep on a plane.
箍索及焊接连接点与鼓身的凹槽保持一个平面。
Only when both temperature and humidity control system sent out close command, the air can flow inside the drum body.
必须在温度、湿度控制系统都发出关闭命令条件下气流才能在内流通。
Each hoop cable is fixedly connected with the cylindrical or conical drum body at intervals of arc distance through the welding method.
每根箍索每隔一段弧距通过焊接方法以圆柱或圆锥状的鼓身固定连接。
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