Barometric pressurelifting devices can be adjusted to different height. Convenient for baby-mother communication.
气控升降装置可以调节高低，方便母婴交流；
2
You might also contract your pelvic floor muscles just before and during any activity that puts pressure on your abdomen, such as sneezing, coughing, laughing or heavy lifting.
您可以在腹压增大之前和正在增加的时候收缩盆底肌，比如喷嚏、咳嗽、大笑或举重等情况下。
3
The lifting mechanism after optimization features better characteristics curves of lift force factor and hydraulic pressure.