Iqbal's "thumbnail" working steam engine weighs just 1.72 grams.

伊克巴尔的“缩略图”工作蒸汽机的重量仅1.72克。

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The ejecting ratio of heat pump will vary with the pressure of working steam, extracting steam and the mixture in the process of operation, which will corrupt the normal operation of heat pump.

喷射式热泵的引射系数在运行过程中会因工作蒸汽的压力、引射蒸汽的压力和混合蒸汽出口压力的变化而发生较大的改变，这对于保证热泵的正常工作是不利的；

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But he insists that things have picked up steam again and he hopes to get back the 10 developers he had been working with.

但他强调说，一切都已恢复正常，他希望能够重新找回过去曾与他合作的10位开发人员。

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He also travelled on the line from Kidderminster to Bewdley in a carriage pulled by the country's oldest working steam locomotive.

BBC: England

It's no coincidence in the decade of our life when we are most biologically capable of reproducing, men and women are also working full steam on their studies or on building their careers.

CNN: Reproduction without sex, a liberating future

The company is also working on a Steam "box" - a set-top device that will let people play games on a big-screen TV in their living room.

BBC: Valve boss Gabe Newell awarded Bafta fellowship