closed carbide furnace的意思|示意
美 / /
英 / /
闭式电石炉
closed carbide furnace相关短语
1、 closed calcium carbide furnace 密闭电石炉
2、 closed calcium carbide furnace gas 密闭电石炉炉气
3、 semi-closed calcium carbide furnace 半密闭电石炉