When the electric screw press is working, The flywheel, sleeve shaft and nut turn in positive and ne

中文解释

文中分析了有关参数对振动特性的影响,并阐明了正、负向振幅不等的特性。

正在查询

Minnehaha dissert cleped study out 近在眼前 每天 urgent consideration priceyness shoot traffic light