The ANS is actually a cycle of two oppositely spinning components called the SNS & PSNS.

荷兰天文其实是一个循环的两个张彦明纺纱元件名为SNS的&psns。

youdao

The ANS is actually a cycle of two oppositely spinning components called the SNS & PSNS.

荷兰天文其实是一个循环的两个张彦明纺纱元件名为SNS的&psns。

youdao