砼空心砖送检标准,多少送一次?一次送几块?MU10的抗压力是多少(试压时多少为合格)如题.390*190*190的,试压多少为及格.能答清楚再加送一百分.郁闷,没看清发错地方了,数学的怕是难回答.

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