筛选 screening 短语 1. 筛选程序 screening sequence; 2. 筛选等级 screening class; 3. 筛选规格 screening specification; 4. 筛选机 screening machine; sieving machine; 5. 筛选进口商品 screening of import commodities; 6. 筛选累加 filtered accumulation; 7. 筛选器 screening washer; 8. 筛选砂 riddled sand; 9. 筛选试验 screening test; 10. 筛选条件 screening conditions; 11. 筛选效率 screening efficiency; 12. 筛选装置 screening plant
上善若水maggie
