The second is control of workability of fresh concrete, if concrete isolation secretion of water, strictly control the vibration time, vibration rehabilitation must be timely.
二是控制新拌混凝土的和易性,如果混凝土离析泌水,严格控制振捣时间,必须适时进行复振。
The vibration of 262 time per second.
每秒二百六十二次的振动。
The vibration of 262 time per second.
每秒二百六十二次的振动。
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