最近高清中文在线国语字幕_波多野结衣av无码_欧美囗交xx×bbb视频_久久精品中文字幕一区

鹽(yan)浴爐是(shi)(shi)以熔鹽(yan)液(ye)為(wei)(wei)加(jia)熱(re)介質(zhi)，將工(gong)(gong)件(jian)浸(jin)(jin)入鹽(yan)液(ye)中(zhong)加(jia)熱(re)的(de)工(gong)(gong)業爐。是(shi)(shi)以熔融(rong)的(de)鹽(yan)液(ye)為(wei)(wei)加(jia)熱(re)介質(zhi)，將工(gong)(gong)件(jian)浸(jin)(jin)入鹽(yan)液(ye)中(zhong)加(jia)熱(re)（可通(tong)(tong)過金屬(shu)電端在(zai)鹽(yan)液(ye)中(zhong)加(jia)熱(re)）的(de)工(gong)(gong)業爐。根據爐子的(de)工(gong)(gong)作(zuo)溫(wen)度，通(tong)(tong)常選用氯化(hua)鈉、、氯化(hua)鋇、、硝(xiao)酸鈉、硝(xiao)酸鉀等鹽(yan)作(zuo)為(wei)(wei)加(jia)熱(re)介質(zhi)。加(jia)熱(re)速度快(kuai)，溫(wen)度均勻。

更新日期：2023-11-19

訪問次數：1632

￥面議