形式上

The dog clutch, of course, provided an instant release when machining under power (and many owners made up simple automatic knock-off devices to allow exact turning up to a shoulder) but a second reason behind its fitting was a practical difficulty unmentioned by the makers: as owners quickly discovered, when screwcutting with the help of the headstock clutch it was necessary for the carriage to be wound back manually using the wheel at the tailstock-end of the leadscrew whilst the changewheels remained in mesh.

狗离合器，当然，提供了一个即时释放下加工时功率（和很多业主提出了简单的自动敲小康装置，使转向精确到肩膀），但第二个原因是其拟合实际困难未提及的制造商：作为业主很快发现，当screwcutting的帮助下启闭离合器有必要的运输必须使用手动伤口回到车轮在尾座年底的丝杠，而留在changewheels网格。

Once the Bolsheviks took office, they had to answer for all the promises they made to the women who supported them.

一旦布尔什维克就职，他们不得不对那些支持他们的妇女所作出的承诺回应。