用锤子和黄铜冲销轻轻敲打环齿轮进入飞轮。

Use hammer and brass drift to tap ring gear onto the flywheel.

youdao

用锤子和黄铜冲销轻轻敲打环齿轮进入飞轮。

Use hammer and brass drift to tap ring gear onto the flywheel.

youdao