As new mines come on stream, Chile's share of world copper output will increase sharply.

随着新矿投产，智利在世界铜产量中所占的份额将大幅度增长。

《柯林斯英汉双解大词典》

In the next few years, several big new oil fields and refineries should come on stream.

接下来的几年，几个新的大规模油田和炼油厂将投入生产。

youdao

Still, a few yearsago they were touted proudly. But the touting has become more nervous, and nonew projects have come on stream.

虽然几年前他们还很自豪的兜售这些项目，但是现在的兜售已经变得神经质，并且这些年没有任何新的项目开工。

youdao

But the touting has become more nervous, and no new projects have come on stream.

ECONOMIST: A survey of The future of energy: Dig deep | The

The key measures that will come on stream over the next three years including new "devolved taxes".

BBC: Scotland politics

The report also argues that the benefits of the extra income would take some time to come on stream.

BBC: Graduate tax 'could hit UK's competitiveness'