Develop concrete strength test blocks, and carry out tests, maintenance, production and sampling in accordance with the "Concrete Strength Inspection and Evaluation Standards".
To formulate concrete strength test blocks and carry out test, maintenance, production and sampling according to the Concrete Strength Inspection and Evaluation Standards.
The concrete strength test block is formulated, and the test, maintenance, production and sampling work are carried out according to the concrete strength inspection and evaluation standard.<br>