高架路面排水体系的设置关系路面通车后的使用寿命和性能。
The arrangement of elevated pavement drainage system is related to the service life and performance of pavement after opening traffic.
排水体系是煤矿出产的重要环节，排抽水机属煤矿大型固定装备，独立性强，备用系数大。
Drain the system is the important link that the coal mine produce, draining the pump to belong to the coal mine large fix the equipments, the independence is strong, the back up coefficient is big.
在隧道设计、施工或使用过程中任何有害扰动都会造成隧道防排水体系的缺陷，从而引起隧道渗水。
Any harmful disturbance in the tunnel design, the process of construction or use, all would lead to defects in the tunnel waterproofing and drainage system, causing the tunnel seepage.
在隧道设计、施工或使用过程中任何有害扰动都会造成隧道防排水体系的缺陷，从而引起隧道渗水。
Any harmful disturbance in the tunnel design, the process of construction or use, all would lead to defects in the tunnel waterproofing and drainage system, causing the tunnel seepage.
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