I may have to re-weld the top tube for vertical head tube and add some length for more foot to bladeclearance.
我可能必须重新焊接管顶端的垂直领导管并增加一些长度为更多的步行刀片清除。
2
The clearance between housing and end of powder concentrator's blade also effects fineness. This patent technology is convenient to adjust the clearance.
选粉机叶片端部与壳体的间隙大小也影响成品细度，本项专利技术使得调整该间隙大小方便快捷。
3
The paper introduced typical structure of the close clearance seals for blade tip seals in modern aero-turbine and the research progress of gas film seal for gas turbine.