单词：self-stressing concrete
self-stressing concrete的用法和样例：
例句
- The experimental results show that steel fiber reinforced self-stressing concrete can significantly increase the cracking load of penstock.试验结果表明，钢纤维自应力混凝土能够明显地提高压力管道的抗裂承载力。
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讲解文本： concrete 具体的，混凝土的 We still don't have a concrete timeline for the plan. 关于这个计划，我们还没有具体的时间表。 I can't tell you anything concrete. 我也不能跟你说得太具体。 疯狂练习吧！
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