盲豎井 的英文怎麼說
中文拼音 [mángshùjǐng]
盲豎井
英文
interior shaft-
Practice of heading through of the no. 366 shangzhuang interior shaft in the same direction in canzhuang gold mine
蠶莊金礦上莊366盲豎井同向貫通實踐
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