对桥梁桩基础灌注混凝土的质量控制作详细介绍。
The paper introduces in detail the quality control of concrete filling the bridge pile foundation.
而混凝土的制备和灌注，在施工中起到关键的作用。
Concrete preparation and pouring play a key role in construction.
我们通常在混凝土灌注后二十八天测 定其强度。
We usually measure the strength of concrete at 28 days after it has been cast.
我们通常在混凝土灌注后二十八天测 定其强度。
We usually measure the strength of concrete at 28 days after it has been cast.
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