support falling backward | |
gymn. | 支撑后倒 |
arch | |
geol. | 背斜 |
hydroel.st. | 拱 |
met. | 拱顶; 炉拱 |
oil | 穹隆; 鞍状构造 |
space | 弧; 半圆形; 拱形物 |
mount to | |
gen. | 把M安装到N上 |
upper arm hang | |
gymn. | 挂臂悬垂 |
| |||
支撑后倒 |
support falling backward arch mount to upper arm hang : 5 phrases in 1 subject |
Gymnastics | 5 |