求翻译：封闭电炉是化工、医药卫生、环保、教育科研等行业的实验室对液体进行加热和熔缩的常用工具.是什么意思？

Closed furnace is chemical, medical and health, environmental protection, education and scientific research laboratories and other industries for heating and melting of the reduced liquid commonly used tools.

closed electric furnace, chemical industry, medicine and health care, environmental protection, education and scientific research laboratories in many industries, such as heating and melting of deflation liquid commonly used tools.

Seals up the electric stove is profession and so on chemical industry, medicine health, environmental protection, education scientific research laboratories carries on the commonly used tool to the liquid which the heating and the melt shrinks.

Closed furnace is used in chemical, pharmaceutical and public health, environmental protection, education and scientific research laboratories in industries such as the liquid is commonly used for heating and melting reduction tool.