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亞能牌潛水電熱管
潛水電熱管（防水電熱管、浸入式電加熱管）顧名思義加熱管可全部浸入在液體中，高溫導線連接自帶防水線接電源通電加熱，結構是金 		2016-09-01
水浴鍋加熱管廠家直銷
水浴鍋加熱管的發熱體螺旋形電熱絲居于管中央，電熱絲和金屬護套管之間密實填充絕緣導熱材料，管口用封口材料封實，兩端管口出引 		2016-09-01
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