asbestos panel door

door ... articulated door of coaches 客车(关节式)铰链门 asbestos panel door 石棉板门 ash pit door 灰坑门 ...

丝锁气压计_馆档网 ... "石绵粉末"," Asbestine" "石绵镶门"," Asbestos panel door" "子囊菌"," Ascomycetous fungus" ...