Mixed pumping test is pumping test which is conducted in two or more aquifers in the same hole at the same time. Hydrogeology parameters of another aquifer are obtained through the results of mixed pumping test. It is effective way of getting hydrogeology parameters of deep aquifer in exploration area.%混合抽水试验是在同一抽水孔中同时对两个或两个以上含水层进行的抽水试验。但要可靠地计算含水层的水文地质参数，其中必须要有不少于一个含水层进行了分层抽水试验，且分别测定了各含水层的静水位。根据混合抽水试验成果，通过分析计算可获取另一含水层的水文地质参数，从而节约工时和资金，对含水层埋深达数百米的勘查区，不失为获得深部含水层水文地质参数简便有效的途径。
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