water-filling 基本例句 注水 The karst water-filling mines in Hunan province occur widely, which can be divided into two types. that is, karst water- filling mine and underground river conduit water-filling mine. 我省岩溶充水矿床较为广泛，可分为岩溶充水和暗河管道充水矿床两个类型，前者包括水文地质条件简单、中等和复杂三个亚类。 cnki