descending stroke

• 下降行程

descending stroke的用法和样例：

例句

1. The stroke may be limited by adjustable stops.
   该行程可借助可调的止动螺钉加以限位。
2. Rugged aluminum extrusion supports the linear rail system through the entire stroke length.
   坚固的铝挤压支持通过整个行程长度的直线铁路系统。