研究了二阶摆型振动方程奇调和解的存在性。
The existence of odd-harmonic solutions for a second order pendulum-type oscillation equation was studied.
1986年长沙建设机械研究所又开发了较大的HZR450型振动平板夯。
In 1986, changsha construction machinery research and develop a larger HZR450 type of vibrating plate ram.
针对YZC18型振动压路机采用的全液压传动进行了较为全面的分析研究。
The full hydraulic system of the YZC18 vibration road roller is analyzed and researched comprehensively.
应用推荐