1.向上的一推[一冲]
2.【地】上冲断层
1.the force that a liquid or gas directs upward on an object that is floating on it
2.a large piece of rock that has moved upward in a crack in the Earth’s surface
1.Position of upthrust track with chain roller at passenger side of lower landing.
在下平层乘客边,具有链滚子上推导轨位置。