混凝土表面修复材料可采用界面处理材料和修补砂浆,修补砂浆的()、()、抗折强度不应低于基材混凝土。
参考答案:抗压强度;抗拉强度
混凝土表面修复材料可采用界面处理材料和修补砂浆,修补砂浆的()、()、抗折强度不应低于基材混凝土。
参考答案:抗压强度;抗拉强度
Liu Yu, a boy from Shandong, is a running star. He is his school running team, and has always wanted to be a professional athlete. However, his parents won’t him to train as much as he would like to. “Of course we want to see Liu Yu achieve his dreams,” says Mr. Liu, “and we know he loves running. That’s great, and my wife and I have watched him in every one of his races. We have nothing against running! But we do think about that our son needs to be realistic. Now he is getting , and he needs to think about what will happen if he doesn’t become a professional runner in the end.”
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