There exist defects in respect of big dust, high rebound, and unstable concrete quality etc. in the traditional dry shotcrete.
传统的干喷工艺存在粉尘大、回弹高、混凝土质量不稳定等缺陷。
There exist defects in respect of big dust, high rebound, and unstable concrete quality etc. in the traditional dry shotcrete.
传统的干喷工艺存在粉尘大、回弹高、混凝土质量不稳定等缺陷。
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