Groundwater commonly collects in stream drainages but may remain entirely beneath the surface of dry stream-beds in arid regions.
地下水通常聚集在河流流域，但在干旱地区，地下水也可能完全保留在干涸河床的表面之下。
South America: Amazon River basin and coastal drainages of the Guianas.
南美洲：亚马逊河流域与圭亚那的海岸流域。
Gazetteer South America: Amazon, Orinoco, and coastal river drainages of the Guianas.
南美洲：圭亚那的亚马逊河，奥里诺科河与海岸河流域。
Gazetteer south America: Coastal drainages of eastern and southern Brazil and Uruguay.
南美洲：东方与巴西南部的海岸流域与乌拉圭。
There were fairly perfect supplies of water and drainages in the cities of Shang Dynasty.
商代城邑已具有较完备的给排水设施。
The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.
屯留煤矿副井井筒表土段采用普通法施工，利用井外降水井疏干降水。
The divide is a topographic feature that separates Pacific Ocean and Atlantic Ocean water drainages.
这条分水岭是一个分割太平洋和大西洋水流域的地形特征。
Ultrasound is useful for image-guided interventions like biopsies and drainages such as thoracentesis.
超声是像图像引导干预的有用的活组织切片检查，如水系胸腔。
When Elema finished meeting with the chief, we headed back up to the ridge between two stream drainages.
等到埃莱玛与酋长的会面结束，我们一行人又折回到两条溪流之间的山脊上。
It is believed that the rain-water and waterlogging drainages play a basic role for the safeguard of urban area.
城市排涝与排水是关系到城市安全的基础工作。
Separate chapters address the how-to of CT-guided interventions such as punctures, drainages, and therapeutic approaches.
分开章位址CT 指导的干涉（例如小孔，排水设备和治疗的方法）的入门。
The grades are gentle and, like drainages, the routes often go under or over barriers such as highways, creeks, steep hills or other obstructions.
类似下水管道，铁路线的坡度平缓，经常从地下穿过或从高空越过高速公路、溪流、险山和其他障碍物。
In the whole gas supply system, we should set up drainages at both ends to drain the water in the compressed air to insurance the compressed air dry.
在整个供气系统的始端应设置排水装置，并定期将压缩空气中的水分排尽，以保证压缩空气干燥。
Pererrorform civil engineering duties surrounding the following: structural, architectural, decoration works, water supply, sewage, land development, roadways, drainages, etc.
履行如下的土建工程任务的职责：结构、建筑、装饰装修、给水、污水、土地开发、道路、排水等。
Pererrorform civil engineering duties surrounding the following: structural, architectural, decoration works, water supply, sewage, land development, roadways, drainages, etc.
履行如下的土建工程任务的职责：结构、建筑、装饰装修、给水、污水、土地开发、道路、排水等。
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