常見例句LARGE DIMETER AND OVERDEPTH STAKE BASE OF DONE MAN DIG HOLE COMSTRUCTION STUDY IN COMPLICATED LOCAL 復雜地層超深大孔徑人工挖孔樁施工的探討Keywords Bottom broken charge;Little overdepth blasting;Single-hole sequence igniting;Lump rate; 底部間隔裝藥;小超深爆破;單孔順序起爆;塊礦率; 返回 overdepth