Besides, the feasibility of self-compaction concrete made with high volume fly ash is discussed from the point of view of society, circumstance and economy.
同时，本文还从社会、环境和经济效益角度分析了大掺量粉煤灰免振捣混凝土技术的可行性。
参考来源 - 大掺量粉煤灰免振捣混凝土性能研究及机理分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Sleeve compensator can meet the sealing requirements of any pipelines because it adopts the theory of high performance self-compaction dynamic sealing.
套筒补偿器采用高性能自压式动密封原理，能适应任何管道的密封要求。
The special advantage of this roller is of high compaction efficiency, but its self moving speed is not stable.
它的主要特点是压实效率高，但自行速度还不稳定。
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