Metal l Coil Surcharge 卷钢附加费

Shell l and coil evaporator 壳盘管式蒸发器

two-coil l relay 双线圈继电器

l wockout coil 锁定线圈

l tank coil heater 油罐加热盘管

level l wound coil 平绕盘管

axial l search coil 轴向探察线图

aerial l tuning coil 天线党线圈

fan-coil l unit 风机盘管机组