掘进速度 meaning in Chinese
advance rate
driving speed
forward digging speed
rate of advance
rate of development
Examples
- Safety is always the first consideration in tunnelling and speed of advance is the second .
在掘进中，安全总是应该首先考虑的问题，掘进速度则放在第二位。 - To get high rates of advance it is sometimes necessary to work on two, three or even four shifts a day .
为了取得高的掘进速度，有时有必要在一天内分两班、三班、甚至四班工作。 - Construction measures for accelerating excavation of long and small tunnel
加快长距离小断面隧洞掘进速度的施工措施 - A system that regulates sampling time according to countrate level therefore can reduce this error significantly and its performance is verified by monte ? carlo simulati on
实践证明，这种爆破技术减少了对围岩的破坏，提高了巷道的成形质量，降低了材料消耗，有利于提高掘进速度和降低工程成本。