探井
tàn jǐng
探井的意思
词语解释
探井
◎(mining) test pit; exploratory shaft; test well
国语辞典
探井
◎(mining) test pit; exploratory shaft; test well
网络解释
探井 (汉语词语)
(mining) test pit; exploratory shaft; test well
tàn jǐng
◎(mining) test pit; exploratory shaft; test well
◎(mining) test pit; exploratory shaft; test well
(mining) test pit; exploratory shaft; test well