Thebalance equation of powerdriven disc plow is built.
建立了旱田驱动圆盘犁机组的平衡方程序。
2
In this article the author presents a systematic philosophy consideration on the fluid powerdriven and control technology.
在文章里作者展示了对流体传动与控制技术的系统哲学思考。
3
A rotary engine attached to the steam engine enabled shafts to be turned and machines to be driven, resulting in mills using steam power to spin and weave cotton.