Cold work: 'Buddy teams' dig out huge chunks of ice using a hand-powered drill to create dive holes in the White Sea, Russia.

钻冰洞：俄罗斯白海，“巴迪队”用手动钻挖出大块的冰，钻出潜水洞。

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The competition began. John Henry kissed his hammer and started working. At first, the steam-powered drill worked two times faster than he did.

比赛开始前，约翰。亨利亲吻了一下他的铁鎚并开始工作。

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Core drill machines can be powered by electric hydraulic or air power sources.

核心动力的电动钻机器能、水力和空气动力来源。

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At first,the steam-powered drill worked two times faster than he did.

VOA: special.2009.02.21

Just before halting its investigations, the nuclear-powered rover used the drill at the end of its 7-foot-long robotic arm to bore into a rock near where it landed and analyze the powder.

NPR: Mars Rover Curiosity Stands Down After New Problem