The ill gas,dust,heat harm during aluminium alloy melting and casting are explained.The preventives of equipments and labor protection are discussed.

  • 阐述了铝熔铸生产中产生的有害气体、粉尘、热危害及其影响,有害气体和粉尘的毒性,以及设备和劳动保护等诸多问题。
目录 查词历史