self-compacting lightweight aggregates concrete
...st methods for lightweight aggregates 轻骨料试验方法 self-compacting lightweight aggregates concrete 自密实轻骨料混凝土 ..
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self-compacting lightweight aggregates concrete
自密实轻骨料混凝土
以上为机器翻译结果，长、整句建议使用 人工翻译 。