同时由于钻具接头超磨，也容易造成钻具使用周期缩短甚至提前报废。
At the same time the joint drill wear also easily lead to shortening the life cycle of drilling and even early retirement.
深部井眼岩石力学的研究，特别是深部井眼岩石可钻性和岩石各向异性的研究，是解决深井、超深井钻井关键技术的重要课题。
Study on rock mechanics of deep wellbore, especially on rock drillability and rock anisotropy is a key project to resolve the problems of deep or ultra-deep well drilling.
套管磨损和扭矩过大是钻深井、超深井、水平井和大位移井时一个不容忽视的问题。
Wear of casing and too large torque are problems which can't be ignored when drill deep and super deep well, horizontal well and deviated well.
分析结果表明，振动钻削改变了普通钻削的钻入机理，显著提高了钻入定心精度，特别适合微小孔的精密和超精密加工。
It is shown that vibration drilling entirely changes drill-entry mechanism of common drilling, remarkably improves drill-entry spotting accuracy.
利用电镀超硬磨料刀具加工复合材料的“以磨代钻”工艺的提出，极大地提高了复合材料的加工质量和加工效率。
Using electroplating superabrasive tools, the process of "Drilling replaced by grinding" can notably improve the processing quality and efficiency of carbon fiber reinforced composites.
在开端选用施华洛世奇奥钻烫钻之前，倡议你超好对一两个烫钻的粘杏行测试，以保障全体更好的粘烫成效。
Before beginning any project, always test the glue on the surface with one or two stones to make sure you are getting the best adhesion possible.
在开端选用施华洛世奇奥钻烫钻之前，倡议你超好对一两个烫钻的粘杏行测试，以保障全体更好的粘烫成效。
Before beginning any project, always test the glue on the surface with one or two stones to make sure you are getting the best adhesion possible.
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