本文论述了晋城矿区西区改用部定三度带平面坐标系后由此引起的两项边长改正，对矿区井上、下测量的影响以及采取的对策。
The paper discuss the2items side-length correction of the diggings in Jing-City by3degree strap plane coordinate system, and discuss effect on diggings surveying and adaptive countermeasure.
同169号样品经较，此次运到的修改带稀薄，无法满意覆盖被改正的错误。我方希望贵方对这一情况加以解释，并告知贵方对此事的处理方法。
Compared to the sample No . 169, the arrived self-adhesive correction tape is very transparent and does not satisfactorily cover the error being corrected .
同169号样品经较，此次运到的修改带稀薄，无法满意覆盖被改正的错误。我方希望贵方对这一情况加以解释，并告知贵方对此事的处理方法。
Compared to the sample No . 169, the arrived self-adhesive correction tape is very transparent and does not satisfactorily cover the error being corrected .
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