This paper gives a brief introduction to the karst development in Dushan area and discusses the types, distribution and tracingtest of karst groundwater.
本文概述了独山南部地区岩溶发育的基本条件,论述了岩溶地下水的类型、平面展布和埋藏特点以及示踪试验。
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The effect of unbalance weight of the crankshaft-flywheel on the engine's operation was studied from the view of shaking and wearing by means of tracingtest.