粒选用英语怎么说_粒选英文怎么写

Granular selection

粒选───Granular selection

The premelting hollow granular CC powder is an internationally advanced one used for CC at present. The paper describes the production process and the equipment selection for this powder.───预熔型空心颗粒连铸保护渣是目前国际上用于连铸的一种先进的保护渣，介绍了此保护渣的生产工艺以及设备的选择。