During the work they use an outrigger or a frontblade to ensure machine stability.
作业时该机械通过伸出悬臂架或前叶以保证稳定性。
2
With mathematic analysis the end section curve of frontblade of twist drills is induced into generalized involute;
通过数学分析将麻花钻前刃面端截面曲线归纳成广义渐开线;
3
There are flow separations at the frontblade of bulge tip clearance. The high speed area of groove tip clearance increases the secondary flow loss dramatically.