路侧建筑物 roadside structure 排水沟 weeper drain;weep drain;drainage ditch;drain ditch 挡风墙 wind-shield wall;wind-break wall ..
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The traditional drainage method isn′t practical. Drainage cutting combined with weeper drain could quickly dewater to the designed water level.
用疏导法排水与盲沟排水相结合的技术措施，能快捷有效地把泉水降至设计标高以下。
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