以下为句子列表：
英文: By routine test and base experience, with contrastive method, the appropriate mix content and the effect to concrete strength of a kind of expansion agent were studied.
中文: 摘要通过常规实验和基础实验，采用对比的方法，研究了膨胀剂的适宜掺量和对水泥砂浆强度的影响。
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英文: The research and application of organic shrinkage reducing agent (SRA) and non-organic expansion agent (EA) are drawing great attention among that of new-type concrete anti-cracking admixtures.
中文: 摘要在新型混凝土抗裂外加剂中，有机类减缩剂及无机膨胀剂的研究与应用受到了广泛的关注。
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英文: The result shows that, when expansion agent is added, shrinkage can he compensated at some extent and crack can be restrained or reduced effectie1y and then the concrete ageing resistance can he enhanced, and under experiment condition, the appropriate mi
中文: 结果表明，加入膨胀剂能补偿部分收缩，有效抑制或减少裂缝的产生，提高混凝土的耐久性；试验条件下试验所用膨胀剂的适宜掺量应小于6%；对补偿收缩混凝土，其限制膨胀率应作为第一性指标。
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