伸出手触摸那里的地面或地板，感觉如何？

Reach out and touch the ground or the floor, what does it feel like?

youdao

确保外伸支架全部伸出并稳固于地面上。

Make sure outrigger were fully extended and installed on firm pad.

youdao

确保外伸支架全部伸出并稳固于地面上。

Make sure outrigger were fully extended and installed on firm pad.

youdao