low temperature refrigerating machine
low temperature refrigerating machine
低温制冷机
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The invention relates to a space-difference energy refrigerating and heating machine which can carry out heating in a low-temperature condition and has good heat exchange performance.
空间差能冷暖机涉及一种在低温条件下能够制热，冷热交换性能好的空间差能冷暖机；
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