The axial hole deviations caused by laser-guiding are analysed and the experimental results show that the new technology of laser guiding can prevent effectively the axial hole deviation in...
分析了激光导向加工时孔产生的误差，实验结果表明，采用激光导向的深孔加工新技术能有效地防止孔偏差。
Objective: to know the cause and factors for deviation in infants weight in order to prevent it early.
目的：了解婴儿体重偏离发生原因及影响因素，以便及早干预。
This paper discusses the use of the belt conveyor in the process of the reasons for the deviation, the deviation of the basic laws, to prevent the deviation of preventive measures and treatment.
论述胶带输送机在使用过程中跑偏的原因，分析跑偏的基本规律，提出防止跑偏的预防措施及处理方法。
The rotary percussion drilling technology have the advantage to raise the hard rock well drilling speed effectively, prevent the borehole deviation in the hard rock or the complicated geologic strata.
旋转冲击钻井技术依靠冲击器产生冲击载荷并作用在钻头上来破碎岩石。该技术能够有效提高硬地层钻井速度，能够防止硬地层及复杂地层钻井中的井斜问题。
The rotary percussion drilling technology have the advantage to raise the hard rock well drilling speed effectively, prevent the borehole deviation in the hard rock or the complicated geologic strata.
旋转冲击钻井技术依靠冲击器产生冲击载荷并作用在钻头上来破碎岩石。该技术能够有效提高硬地层钻井速度，能够防止硬地层及复杂地层钻井中的井斜问题。
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