An. optimum specific concentration of abrasive by weight, traversespeed and target distance will get the highest volume removal rate while keeping up other parameters unchanged.
在其它参数不变时为获得最大的冲蚀体积率则有一最佳的磨料重量比浓度和横移速度及靶距；
2
Pronghorn, dependent on distance vision and speed to keep safe from predators, traverse high, open shoulders of land, where they can see and run.
叉角羚依靠远距离视觉和速度来躲避捕食者，它们在开阔的高地上穿行，在那里它们能看见东西并追逐它们。
3
All equipment should be adjusted to operate at the required speed and with the specified traverse and lift motion for all hydraulic equipment.