地铁车门是自动开关的。

Subway doors open and close automatically。

youdao

前方到站，南京南站，请不要依靠车门，请从列车前进方向右侧车门下车。此站可换乘地铁3号线和机场线。

The next station is Nanjing South Railway station. Doors will open on the right. Transfer is available for Metro Line 3 and Airport Express.

youdao

南京南站到了，请不要依靠车门，请从列车前进方向右侧车门下车。此站可换乘地铁3号线和机场线。

We are now at Nanjing South Railway Station. Doors will open on the right. Transfer is available for Metro Line 3 and Airport Express.

youdao