Crawler hydraulic drill, and USES the new type of hydraulic technology, low gas consumption, rotary torque, move the hole deflection is convenient.
履带式液压钻机，采用新型液压技术，耗气量低，回转扭矩大，移孔变位方便。
Electron beam will deflect in a magnetic field. With the deflection of electron beam in workpiece, tiny curved hole can be machined.
利用电子束在磁场中偏转的原理，使其在工件内部偏转，可加工出微细弯孔。
In order to further compensating the influence of the deflection moment formed by the load bias along the spool, a balance hole is proposed which has been shown with apparent compensating effect.
为了进一步补偿载荷沿轴向偏移时产生偏转力矩的影响，本文提出了开平衡孔的补偿措施，试验表明补偿效果明显。
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