The effect of revibration for low fluidity concrete is not well, which reduces strength of concrete.
低塑性混凝土的二次振动效果不是很好，降低了混凝土的强度；
During the vibrating and tamping, the range of vibrating radius shall be grasped well to prevent from revibration and vibration missing.
振捣过程中掌握好振动半径范围，防止重振、漏振。
During the vibrating and tamping, the range of vibrating radius shall be grasped well to prevent from revibration and vibration missing.
振捣过程中掌握好振动半径范围，防止重振、漏振。
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