Its Hard products is widely used as electric stove hearth sets in lab and wall,suspend ceiling brick,hollow brick,fire bulkhead muffle board,hot dozzle,nozzle etc.是什么意思_Its Hard products is widely used as electric stove hearth sets in lab and wall,suspend ceiling brick,hollow brick,fire bulkhead muffle board,hot dozzle,nozzle etc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句