分析了灭茬、碎土和起垄联合作业的功能特点。
Also the specialties of rototilling and ridging were analysed.
在这学期的联合作业基础上，提出一个你自己设计的题目。
Propose a topic of your own devising, based on our joint work this semester.
它适用于各种露天开采的矿山和大型采掘运输联合作业的工程。
It is suitable for the engineering of various open - pit mines and large excavating - hauling combined operation.
应用推荐