形度
linkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; line-height: 1.75em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;important; overflow-wrap: break-word !important;通过自主研发的生产工艺控制技术，粉末产品最终以球形为主，球形度0.9；linkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; font-