shaft area meaning in English
矿井截面积
Examples
- Deformation and control of surrounding rock in 8 inclined shaft area of wushaoling tunnel
乌鞘岭隧道8号斜井区域围岩变形与控制 - Smooth finished disc flats : these “ mate ” with seat flats to give a highly efficient seal ; prevents leakage into shaft areas
光滑表面的阀板：这些阀板上的“配套”使得密封非常有效，防止泄漏到轴区域内。