在胶带盒主体上装有可摆动的舌头，在舌头上装一小柱状轮。

The adhesive tape box body is provided with a transition wheel and a cylinder wheel with double layers.

youdao

在胶带盒主体上装有可摆动的舌头，在舌头上装一小柱状轮。

The adhesive tape box body is provided with a transition wheel and a cylinder wheel with double layers.

youdao