氨气敏选择电极：ammonia sensitive selecting electrode 氨水吸收式循环：ammonia absorption circulation 暗管线埋设技术：technique of hiding pipes and wires ..
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利用氨水吸收式循环将太阳能与地热两个热源结合，提出了一种新颖的制冷与供热系统。
A novel refrigeration and heat-supply system that combined solar energy and geothermal energy by utilizing an ammonia absorption refrigeration were proposed.
传统的氨水吸收式制冷机，存在着系统中设备多，体积大，钢材消耗量大，制冷循环COP值较低等缺点。
However the COP of conventional ammonia-water absorption refrigeration system is relatively smaller because of its more equipments, large volume and more steel consumption.
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