electrothermal smelting 中文意思是什麼
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Hf electrothermal equipment production company, be applied to smelting. qian welding. heat treatment. forging hf hanguan. large direct current generator mechanics
我公司生產中高頻電熱設備，可應用於熔煉.釬焊.熱處理.鍛造高頻焊管.大型直流電動機調速等 -
I hf electrothermal equipment production company, be applied to smelting. qian welding. heat treatment. forging hf hanguan. large direct current generator mechanics
我公司生產中高頻電熱設備，可應用於熔煉.釬焊.熱處理.鍛造高頻焊管.大型直流電動機調速等
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