查询词典 shotcrete

In view of development of national economy and environmen tal protectio n, necessity of researching wet shotcrete technology is discussed in this paper based on rebound reduction, dust reduction and construction quality of wet shotc rete.

摘 要：从国民经济的发展和环境保护的观点出发，从湿喷混凝土减弹、降尘和保证建设质量的角度，论述了湿喷混凝土研究的必要性。

So, the steel fiber reinforced concrete shotcrete is more suitable in large displacement conditions.

因此，钢纤维喷射混凝土作为初期支护更适合用在围岩大变形的场合。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。