您要查找的是不是：
- He came to look at the drainage. 他是来检查排水设备的。
- The drainage system has been aged. 排水系统已经老化了。
- intercepting combined drainage system 截流式合流制
- combine drainage with water supply 排供结合
- combined drainage and reinforcement cushion 复合加筋排水褥垫
- combined drainage with reinforcement cushion 复合加筋排水褥垫
- We tried it in every conceivable combination. 我们把能想到的各种组合都试了一遍。
- These players made a very good combination. 这些球员们配合得很好。
- He had forgotten the combination of the safe. 他忘记了保险箱密码。
- A combination of two or more elements or parts. 复合物由两种或多种元素或部分构成的混合物
- The harmonic combination of these tones. 四度和音音调的和谐组合
- The drainage of the town is not good, some of the pipes are broken. 城里的排水系统不好,有些水管断裂了。
- A combination of factors led to her decision to resign. 综合各种因素之後她决定辞职。
- A harsh, disagreeable combination of sounds; discord. 不和谐的声音刺耳的、不和谐的混合声音，不调和
- We must dig a drainage ditch to run off the water. 我们得挖一条排水渠把水排掉。
- Separate or Combined Drainage System to Be Adapted to Local Conditions 新建地区排水系统应因地制宜选用分流或合流制
- The town's drainage is very efficient. 这城市的排水系统很好。
- The farmers are forming a combination to market their goods at fair price. 农场主结成联盟，以便用合理的价格销售货物。
- A drainage passage, as to a culvert. 排水沟排水通道，如阴沟
- A combination in certain card and dice games that wins immediately. 骰子牌戏纸牌和骰子赌博的结合，可以快速决胜
