青云翻译

A concrete mix design and quality control of raw materials used in each block of cement concrete mix to be strictly the same;

1 concrete mix design and quality control of raw materials used in each block of concrete cement mix to be strictly consistent;

1 proportioning of concrete design and raw material quality control each concrete uses the cement mixture ratio wants strictly consistent;

1 concrete mix design and raw materials used for quality control every piece of concrete cement than it is necessary to strictly;

1 concrete mix design and quality control of raw materials used in each block of concrete cement mix to be strictly consistent;