My golden ball has fallen into the spring.

我的金球掉进了水潭里。

youdao

Double ball bearing design with flexible spring tether as a torque support.

双球轴承作为扭矩支持灵活的春天系绳设计。

youdao

Double ball bearing design with flexible spring tether as a torque support.

双球轴承作为扭矩支持灵活的春天系绳设计。

youdao