on line例句

The new machine will go on line in June 2006.
新机器将于2006年6月投入使用。

They can order their requirements on line.
他们可以在线下订单。

They rate librarianship skills higher than subject knowledge in on - line searching.
他们认为图书馆技术要比联机检索主题知识更难于掌握.