A hand-driven machine gun, the Gatling gun was the first firearm to solve the problems of loading, reliability, and the firing of sustained bursts.
早期的盖特机炮虽然要靠手摇才能开火，但它毕竟是同时解决了装弹、稳定性、连续开火问题的首款火力武器。
2
Just 20 trucks can fit in the loading bay and they can wait for more than an hour to be unloaded, largely by hand.
也仅有20辆适和于进料台的卡车，此外他们还得为卸货等上一个多小时，因为卸货主要依靠人工。
3
Next, when the scope level is selected on the left-hand widget, the right-hand widget labeled Mediation policy administration indicates that it is loading attachments.