Yabla video uses of 原理

tiào
zi
运用 yùnyòng
le
zuì
简单 jiǎndān
de
力学 lìxué
原理 yuánlǐ
The spring utilizes the simplest principle of mechanics,
物理 wùlǐ
zhōng
连通器 liántōngqì
液面 yèmiàn
děng
gāo
de
原理 yuánlǐ
the theory behind the physics of connecting different water levels.
duì
duì
duì
知道 zhīdào
怎么 zěnme
yòng
杠杆 gànggǎn
原理 yuánlǐ
Yes. Now I know how to make use of the lever principle.
里面 lǐmiàn
恰好 qiàhǎo
yǒu
两次 liǎngcì
杠杆 gànggǎn
de
原理 yuánlǐ
It actually has a two-lever mechanism inside,