短語詞組短語horizontal l heat exchanger 臥式換熱器horizontal ground heat exchanger 水平地埋管換熱器a horizontal heat exchanger 臥式換熱器horizontal heat exchanger detail 臥式換熱器horizontal spiral ground heat exchanger 水平螺旋地埋管換熱器horizontal storage heat -exchanger 臥式容積式水加熱器horizontal buried pipes heat exchanger 水平埋管換熱器 返回 horizontal heat exchanger