pattern drill
练习线路
drill circuit【通信】
暂无补充释义。
相关词条
drill
bailer, valve drill bit (valve auger)
rotary drill with oil pressure
surgical drill
downhole drill
Diamond Core Drill Machine
SCR controlled stepless speed regulation bench drill
drill circuit【通信】
暂无补充释义。
pattern drill
drill
bailer, valve drill bit (valve auger)
rotary drill with oil pressure
surgical drill
downhole drill
Diamond Core Drill Machine
SCR controlled stepless speed regulation bench drill