基础模板支设不牢固，浇筑混凝土下料过高、混凝土振捣撞击，使模板位移，造成基准线产生偏差。
The foundation template support is not strong, the pouring concrete is too high, the concrete vibration impact, so that the template displacement, resulting in the deviation of the baseline.
输配电线路转角杆塔角位移是线路施工中立转角杆或浇筑转角铁塔基础的依据，应该引起线路施工人员重视。
It should be noted that the Angle tower deviation of transmission and distribution line is the basis for laying Angle pole or pouring the foundation of Angle tower.
基础混凝土一次浇筑成型，不留施工缝。
The base concrete shall be completed one-time without any construction joints left.
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