Out pops that speed with which you can escape the gravitational pull of capital M, which is the V square root of two times larger than this V.
逃离M的重力,所需的速度为,√2乘以,比逃逸速度小的。
The principle and method for testing brake character, travelling speed, break out force and rim pull are described.
并论述了制动性能、车速、掘起力、牵引力试验台的检测原理和方法。
应用推荐