对传统筛分设备（偏心振动筛）与单轴惯性振网筛性能进行对比；
A comparison is made between new singleaxis inertia vibrating screen and traditional eccentric vibrating screen.
分析了惯性振动筛存在的问题，提出新型变频液压直线振动筛的应用，并详细介绍了液压激振的理论成果。
Based on analysis of problems existed in application of inertial vibrosieve, the new type variable frequency hydraulic straight-vibrating sieve is introduced.
系统的总结了长形振动电机在惯性振动机尤其是石油钻井振动筛上的各种应用，建立了相应的力学模型。
Much application of the long vibration motors on vibration machinery in particular of the drilling shakers is systemic summarized, correspondent mechanical models are established.
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