Otis Engineering Center ? Shanghai(OEC-SH) is one of several Global Engineering Centers around the world.

奥的斯上海工程中心是全球几大工程中心之一。

youdao

Otis Engineering Center ? Shanghai(OEC-SH) is one of several Global Engineering Centers around the world.

奥的斯上海工程中心是全球几大工程中心之一。

youdao