Check the strength and defect of stitching, approval accept or not.
片的缝口牢度和车缝疵点并判断是否接受。
For the composite structure, and should check the upper and lower bond strength of concrete.
对于叠合结构，应检查上层与下层混凝土的粘结强度。
For the composite structure, and should check the upper and lower bond strength of concrete.
对于叠合结构，应检查上层与下层混凝土的粘结强度。
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