When the guiding track framework is joined to 10m, you should make vertical of guiding track framework's axle and the base from the front and side.
导轨架接高到10米时，需用丝线坠从正面和侧面分别找正导轨架轴线与底座平面的垂直度。
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This paper provides the method for calculating the axleguiding stiffness acted by resilient axle box guide bars, the accuracy of which has been verified by practical test results.