Along with its main rival, the Boeing 737, such single-aisle planes are the workhorses of worldwide aviation, accounting for four out of five commercial jets sold.

与它的主要竞争对手波音737一样属于单过道客机，该机型是全球航空业的骨干主力，占据了世界五分之四的商用喷气客机销售份额。

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And the Predator's ability to stay aloft for a whole day helped to overcome the main shortcoming of satellites and jets: they can only glimpse a target, rather than watch it over time.

“掠夺者”飞机能够在高空飞行长达一整天的时间，这也有助于克服卫星与喷气式飞机的主要缺点，即它们只能短暂地瞥见目标，却不能长久地对其进行观察。

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Most ships have an arrangement of fire main and hydrant valves whereby at least two jets of water may be directed on a fire in any part of the ship.

大多数船只安排火灾主要消防栓阀门，至少有两个喷气机的水将会在火中任何其他地方的船。

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Strathclyde Fire and Rescue Service teams wearing breathing apparatus fought the blaze inside the building, while crews tackled the fire from the outside using large main water jets.

BBC: Scene of blaze at George bar in Paisley

Islamist rebels withdrew to the remote mountain range near the border with Algeria after French troops backed by helicopters and jets advanced to capture the main towns in northern Mali.

BBC: Mali crisis: French soldier killed fighting Islamists

Islamist rebels withdrew to the remote mountain range near the border with Algeria after French troops backed by helicopters and jets advanced to capture the main towns in northern Mali in January.

BBC: Islamist commander Abou Zeid's death in Mali 'probable'