“掘进”造句

由于其作业的不连续性, 影响了其掘进效率的发挥.
Due to its uncontinuity of operation, its tunneling efficiency is greatly influenced.

介绍了一种新型的掘进巷道装抖设备以及它的工作原理、使用效果.
This Paper introduces a new tunneling feeding installation, principle and using result.

掘进巷道是全面、准确了解矿井煤层地质条件的先导.
Roadway heading is the forerunner for clearly knowing coal bed geological conditions.

• #掘进