短語詞組短語diamond d core drill 金剛石鉆巖機(jī)Electroplated Diamond Core Drill 電鍍金剛石套料鉆diamond core drill bit 金剛石鉆頭brazed diamond core drill 釬焊金剛石套料鉆Diamond core drill segment 金剛石薄壁鉆刀頭diamond -mpregnated core drill bit 金剛石巖心鉆頭Rope core diamond drill 繩索取芯金剛石鉆頭 返回 diamond core drill