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缓倾斜矿脉
meaning in English
flat lode
Related Words
两水平间的矿脉
缓射
缓燃
缓卫
缓利
缓凝
缓诘
缓斜面
缓检年限
缓释片剂
缓倾斜层矿山
缓倾斜的
缓倾斜煤层
缓倾斜巷道
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