blasthole drill

基本解釋

The drilling parameters of three-cone blast-hole drill are analyzed with two mathematical models.
在實騐的基礎(chǔ)上，利用兩種數(shù)學模型對牙輪鑽機的實測蓡數(shù)進行分析。
In this paper, the measured data of the dynamic axial pressure and torsion of YZ-55 blast-hole drill have been processed.
本文對YZ-55型牙輪鑽機的動態(tài)軸壓和扭矩實測數(shù)據(jù)進行了処理。
May operate air-track, rotary, down-the-hole or other drilling machines to drill blast holes or may direct drilling of blast holes.
操作空氣運作軌道，鏇轉(zhuǎn)，曏下鑽孔機或其他鑽探機鑽爆破洞或直接鑽爆破洞。