Basing on the computations of modal flexibility and energy distribution, the dynamical weakest part of this machine — Wheel head system is found. T...
通过模态柔度和能量分布计算确定了机床的动态薄弱环节——砂轮架系统,这与激振试验的结论是一致的。
Basing on the computations of modal flexibility and energy distribution, the dynamical weakest part of this machine — Wheel head system...
通过模态柔度和能量分布计算确定了机床的动态薄弱环节——砂轮架系统,这与激振试验的结论是一致的。
It emphatically discussed the characteristics of digging plow, digger, collecting machine and combine harvester, basing on onion pre-harvest treatments, harvesting procedure and measures.
在介绍洋葱收获前处理、过程及方式的基础上,重点阐述了挖掘犁、收获机、捡拾机、联合收获机等洋葱收获机械的特点。
应用推荐