Finally, we discussed it's mechanism of and two new methods of substrate surface pre-handle.
最后讨论了基片表面预处理对金刚石成核作用的机理和两种新的表面预处理方法。
The thesis presents the application of surface pre-grouting to construction of auxiliary shaft in Yangliu coalmine.
本文介绍了地面预注浆施工技术在杨柳煤矿副井中的应用。
Surface pre-orienting drilling technology is employed for preventing wellbore from collision and channeling in CDXA Cluster Wells.
为防止井眼碰撞、窜槽现象的发生,CDXA井组采用了表层预定向钻井技术。
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