fine grade短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 二级精度 To remove rust spots use very fine grade steel wool such as a household steel wool soap pad. Keep steel wool well away from painted surfaces. 除去灰尘斑点要用高级金属丝球比如家用金属丝球肥皂垫。远离油漆。 qingdao.uyci.com.cn Is your rice of fine grade? 你的米是上等货吗？74410