The induction electric heater is in a double-rectangular shape with an opening in the middle, and is formed by winding an induction wire harness.
其中感应电加热器呈中间具有开孔的双矩形，其是由感应线束缠绕而形成。
2
Coiled pipe heater is one of the main heat exchangers in chemical works. Replacing coil is related to the definition of the mold diameter and the elimination of the winding stress.
盘管式加热器是化工厂的主要换热设备之一，其盘管的更换主要涉及胎具直径的确定和弯曲应力的消除。
3
The heater is constituted by electromagnetic induction coil winding the metal pipes.