The main electricity supply had been sabotaged by the rebels.

叛乱者破坏了供电干线。

《牛津词典》

But stepping back, the main supply problem is really that there has simply been more demand than suppliers were prepared or able to meet at the old prices.

但退一步，这些主要的供应问题实际上能简单被更多的满足，而且比供应者准备或能够用原先价格来满足的供应都多。

youdao

The third main source of supply is scrap: jewellery sold to dealers for the value of the metal.

第三大供给来源自黄金回收：首饰商按金属价值卖给金贩子。

youdao

By eighteen-sixty-two, the trail was the main supply line for Union forces in the Southwest.

VOA: special.2009.03.30

And besides, they say, the water from the Colorado River -- the city's main supply -- already has to be treated to remove all types of pollution.

CNN: San Diego hopes to recycle waste water

Michael Gove, the education secretary, has rushed through two main sorts of supply-side reforms.

ECONOMIST: State schools and selection: The religious and the rational | The

The majority came from the poorest parts of Europe - Moldova, Romania and Ukraine - but the main supply route is through Serbia.

BBC: 'Slave trade' thrives in Bosnia