无码视频一区二区三区,猎奇变态另类重口AV18,网址你懂得,国产精品久久久久久久久无码ⅴa

產(chǎn)品說(shuō)明
本系列電爐均系周期作業(yè)式節能電爐，升溫快，空載損耗小，爐溫均勻性好，供化學(xué)分析，物理測定，以及金屬、陶瓷的燒結，溶解，小型鋼件熱處理等加熱用。使用時(shí)，爐溫需通過(guò)配套之溫度控制器進(jìn)行測量、指示和自動(dòng)控制。
This series of resistance furnaces are type and energy-saving furnaces of periodic duty-used for chemical analysis,physical determination melting & sintering of metals and porcelains,as well as for heat-treatment or small steel pieces. They provides the features of quick heating up.Little no-load losses,good uniformity of furnace temperature.When using,the furnace should be equipped with sitable temperature controllers and etc.to measure,indicate and contrlo temperature automatically.