题目内容

吸收式制冷是靠消耗热能使热量从低温物体向高温物体转移。

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What global attitude do you think characteristic Nomura？ Be specific in your description. Do you see cray evidence of that changing？

涡旋式压缩机是一种容积式压缩机。

R11和R113一般不用钢瓶盛装，多用铁桶盛装。

Do you think something like this could happen in the United States？ Why or why nor？