电梯开动了，接着剧烈震颤起来，然后就毫无反应了。The lift started off, juddered, and went out of action.油门猛然加大到几乎让人恐惧的程度，整个汽车剧烈震颤着。The whole car shuddered with an almost frightening surge of power.她把厨房门重重地关上，我甚至听到了碟子的震颤声。She slams the kitchen do...
铺网机是非织造布生产线的关键设备, 直接影响产品的质量.The lapping machine is the important equipment of nonwoven line, affects the quality of products.非织造布生产中使用的机械铺网机,在铺网过程中作往复运动,该运动是平动与转动复合的运动.Cross - Lapping Machine in nonwoven process makes re...