• 1. standard drill: 标准钻削 | 标准钻孔
• 2. Standard drill down: 标准下钻
• 3. standard twist drill: 标准麻花钻

更多释义

• 1.Taking an old standard drill like single arm, and turning it in to a set, can force swimmers to think and discover.
  以一个旧标准的单臂演习，并约定俗成，能强迫游泳者去思考和探索。
  dict.yoduao.com
• 2.Experimental results show that the thrust of such a drill is decreased by about 40% as compared with that of a standard drill and the torque by about 20%.
  实验表明，这种麻花钻的轴向力较普通麻花钻降低40%左右，扭矩降低20%左右，是一种切削力小、能耗低的麻花钻。
  dict.yoduao.com
• 3.We can provide various types of drill pipe joints as customer's demand. All mechanical properties are beyond API standard.
  我公司可按用户的要求提供各种型号的钻杆接头。各项力学性能均完全超过API标准要求。
  dict.yoduao.com

©2026 网易公司