但是几年之后，一台能够在水下工作的压缩机是必需的，用来补充气田中下降的压力。

But in a few years a compressor that can work underwater will be needed to supplement the falling pressure in the field.

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Mac电脑出货量增长4%，至260万台，但由于公司对部分型号降价销售，收入下降了8%。

Shipments of Mac computers rose 4% to 2.6 million, although revenue fell 8% as the company cut prices on some models.

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诺基亚在上个月表示，它估计整个手机产业在本季度出货量为2.88亿台，比去年同期下降7%，但比第二季度上升7%。

Last month, Nokia said it reckoned the entire mobile phone industry shipped 288m units in the quarter, down 7% on the same period a year ago, but up 7% on the second quarter.

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