And the more the mixed volume rate of the Fortaferro Fiber, the worse the flexural fatigue-resistant performance of the concrete.
而且体积掺量越大，辅特维纤维混凝土的抗折疲劳性能越差。
As continuous expansion of construction scale and the encourage of national policy, the production of ready-mixed concrete has been increased at the rate of 12%-15% every year.
由于建设规模持续扩大以及国家政策的鼓励，使得城市商品混凝土产量每年以12% - 15%的幅度增长。
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