At home labor costs per unit of output are going down, a consequence of rising productivity, and falling oil prices are putting another damper on inflation.
由于劳动生产效率提高，国内每单位产量消耗的劳动成本逐渐下降，而油价下跌也抑制了通货膨胀。
2
Analogue computation and experiments show that employing compound oil film damper in antifriction bearing spindle system will raise significantly the dynamic behavior of machine tool.
计算机模拟计算和试验研究表明，机床滚动支承主轴系统采用复合式油膜阻尼器，可显著提高机床的动态性能。
3
This paper presents a new kind of bidirectional oildamper test rig.