Release your hands from the walker and reach down and hold onto the arm rests. Slowly lower yourself keeping your operated leg straight out in front.
将手从助行器上解放出来后抓住座椅扶手，支持慢慢降低身体，保持手术侧肢体伸直在前方。
2
In a system operated five days a week, small amounts of residual material in the extrusion system acquire substantial heat history as the machine slowly cools and starts up again.