Being a crucial factor in influencing the performance of Full Face Rock Tunnel Boring Machine (TBM), the cutterhead design is one of the key issues of TBM.

刀盘设计是全断面岩石隧道掘进机(TBM)的设计关键，是影响其掘进性能的决定性因素。

youdao

One-time profiles, medical quality, the plum flower bouquet of needle whilst, rhyme, suitable for color well close look, lip face parts, performance color rich decorative effect use full.

一次性型材，医用纯钢品质，梅花束针，韵色匀密，适合眼线、唇面等纹饰部位，表现颜色浓郁饱满效果时使用。

youdao

YZX127 hydro hammer used for full face drilling is described with its structural characteristics, performance parameters and laboratory test results as well as the application prospects introduced.

介绍了用于全面钻进的YZX127型液动潜孔锤的结构特点、性能参数、室内岩样实钻试验效果，展望了其广阔的应用前景。

youdao