The temperature and its field distribution and the heat dissipation through gearboxcase are conditional on each other in computation, thus making the computation much more difficult.
通过齿轮箱的情况下的温度和它的字段分布和散热条件的每一个其他的在计算上，从而使计算变得更加困难。
2
You can pull the gearbox apart in case of an emergency.
你可以把变速箱拆开，以备急用。
3
The Rover-designed two-speed transfer box shares a common case with the four-speed manual gearbox and has a vacuum-operated centre differential.