... prospecting counter 电测计数器 prospecting pit 勘探试坑 prospecting instrument 勘探仪器,探测仪...
基于72个网页-相关网页
prospecting pit in gridding pattern 网格状探坑
pit prospecting method 矿坑勘探法 ; 坑探方法
prospecting ĥ pit 勘探试坑
prospecting E pit 勘探试坑
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