This paper puts forward the transferring method by planimetric controlling when it can only be connected with one-shaft in blind-level of the mine and makes an accuracy analysis to the survey result.
提出就矿山盲中段在只有一井联系时的平面控制传递方法，并就实测成果做精度分析。
The method which the bearing is tightened to the shaft is : for set screws locking type bearing, tightening the two set screws located at two places on one side of the wide inner ring to the shaft.
轴承与轴的紧固方法是：对于带紧定螺钉的外球面球轴承，用内六角螺钉扳手将轴承宽内圈上的两紧定螺钉锁紧到位。
The method which the bearing is tightened to the shaft is : for set screws locking type bearing, tightening the two set screws located at two places on one side of the wide inner ring to the shaft.
轴承与轴的紧固方法是：对于带紧定螺钉的外球面球轴承，用内六角螺钉扳手将轴承宽内圈上的两紧定螺钉锁紧到位。
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