Short sellers bet on share prices going down rather than up and it is said that the pressure from a large number of them can push a stock into an unstoppable downward spiral.
The charging equipment is designed on the basis of imported mapping equipment, and combined with advantages of spiral charging and pressure charging.
该分步压装药机综合了螺旋装药和压力装药的优点，以测绘引进设备为基础进行设计制造。
3
The results of calculation indicates that the static axial stiffness of fluid film in double spiral groove face seal is improved due to the pressure loss through feeding holes.