drainage的例句（drainage在句子中的用法）

• Objective To evaluate the treatment of septic arthritis ( SA ) of knee with debridement and drainage arthroscope. 目的研究关节镜下清理及冲洗术在化脓性 关节炎 治疗方面的作用.
• With fecund and loose with the arenaceous qualitative soil with good drainage had better. 以肥沃疏松和排水良好的砂质土壤为好.
• It is wise to start infilling with a layer of gravel for drainage. 先铺上一层利于排水的砾石是个明智的做法。
• It is advisable to mix coarse grit into heavy soil to improve drainage. 建议将粗砂掺到黏重的土壤里，以提高排水性能。
• The drainage system has collapsed because of too much rain. 由于降雨过多，排水系统已经彻底瘫痪了。
• Line the pots with pebbles to ensure good drainage... 在罐子里铺一层鹅卵石，以确保排水良好。
• Keep the drainage channel clear. 保持下水道畅通。