On the basis of evaluation of landslide stability in two methods, the prevention measures of the landslide are brought forward according to pushforce method.
通过两种方法对滑坡稳定性的评价，依据推力法为基础，提出了滑坡的防治对策。
2
Through reformatted the hydraulic pressure system of centrifuge type HR500-N, it increases pushforce and time of piston to advance the performance of the machine.
通过对原HR500-N 离心机液压系统的改进，使活塞推料力和推料次数增加，促使整机性能提高。
3
Sometimes the cannon is fixed in position, and other times you have to use the force of firing it to push it into a spot where you can hit the ball.