Field procedures for testing geodetic and surveying instruments - part 1 : theory 大地测量试验和调查设备的现场程序.第1部分:原理
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Standard practice for field procedure for constant drawdown tests in flowing wells for determining hydraulic properties of aquifer systems 用于测定含水层系统水硬性的流动井中恒定水位下降试验现场程序的标准实施规程