双层盘管 meaning in Chinese

double-layer coil tube
duplex coil

Our main products include pure titanium heat exchanger , titanium steel heat exchanger , all kinds of condensers made of composite material , reaction kettle , titanium single or double pipe coil , titanium centrifugal ventilator , titanium impeller , fan , titanium corrugated pipe , tank , pipe heaters in various specifications , pipe parts , metal fillings , etc
本厂主要产品有全钛换热器钛钢换热器复合材料各种规格的冷凝器反应釜钛单双层盘管钛转鼓离心机钛叶轮风机钛波纹管贮槽各种规格的管式加热器各种规格管配件金属填料等。