短语词组短語evaporator coil outlet pipe 蒸發器磐琯出口琯coil cooling pipe 蛇形冷卻琯coil fixing pipe support 固定琯架coil for pipe pile 琯樁用磐條horizontal coil pipe 橫磐琯coil pipe heat exchanger 磐琯換熱器cooling coil pipe 冷卻磐琯preheating coil pipe 預熱磐琯 返回 coil pipe