Welding machine by high performance of pneumatic components, the dominant shaft and the direction for all use chrome axis light circle, transferpressure flexible, no reliable absent produce.
焊机采用高性能气动元件，主导轴及导向轴均采用镀铬光圆，传递压力灵活可靠，无虚位产生。
2
Because kneeling allows you to shift and transfer some of the pressure toward the lower spine while you push your baby out, it seems to reduce childbirth pain even more than sitting does.
跪式可以在你用力推时，转移一部分对脊椎的压力，甚至能比坐式更有效的减轻分娩的痛苦。
3
Supervisor Road: including oil suction line, pressure oil pipeline and oil return line, used to achieve the transfer of pressure energy.