·2,447,543篇论文数据，部分数据来源于NoteExpress
The important factors for laser depth-microdrilling are the sufficient power density, suitable focal length, determination of the best image plane and refocusing etc.
足够的功率密度、用适当的焦距并确定最好象面、再聚焦方法等是激光深微孔加工的重要因素。
youdao
应用推荐
模块上移
模块下移
不移动