It discusses the influence of ground control network, underground traverse survey, shaft orientation and gyroscopic orientation edge append-survey on breakthrough precision.
分析了地面控制网、井下导线测量、立井定向和加测陀螺定向边对贯通大型巷道精度的影响；讨论了提高测量精度的可行性方法。
Features: use pneumatic landscape orientation pressurization, press commutator into rotor shaft, can exactly aim at rotor slot and commutator, tooling changing conveniently.
特点：采用气动横向加压，将换向器压放转子轴内，能准确地对准转子槽与换向器相对位置更换工装方便。
In this paper, a three-dimensional photoelastic experiment was presented for studying closed var-ied-orientation transmission shaft, being made of materials with various modulus of elasticity.
对由异弹模材料构成的闭式万向接轴进行了三维光弹性实验研究。
In this paper, a three-dimensional photoelastic experiment was presented for studying closed var-ied-orientation transmission shaft, being made of materials with various modulus of elasticity.
对由异弹模材料构成的闭式万向接轴进行了三维光弹性实验研究。
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