In a lift transfer chair, the hydraulic system is a mechanical system that uses fluid pressure to achieve smooth lifting.
If the lift transfer chair cannot adjust its height, it cannot achieve "barrier-free, low-risk" transfers.
Hydraulic lift transfer chairs use a hydraulic cylinder as the power core, achieving lifting and lowering through pressure changes in the hydraulic system.
Manual chairs typically use a mechanical structure for lifting and lowering. They do not rely on hydraulic or pneumatic pressure, but instead use human power to drive the mechanical structure to raise or lower the seat.
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