译文：
一、低温循环泵的概念： 低温循环泵，是采取机械形式制冷的低温液体循环设备。具有提供低温液体、低温水浴的作用。结合旋转蒸发器，真空冷冻干燥箱、循环水式真空泵，磁力搅拌器等仪器，进行多功能低温下的化学反应作业及xx储存。 二、低温循环泵的应用： 低温冷却液循环泵特别适用于需要维持低温、常温条件下工作的化学、生物、物理实验室，是医药卫生、化学工业、食品工业、冶金工业、大专院校、科研、遗传工程、高分子工程等实验室的必备设备(可根据用户需求定做大容量的低温冷却液循环泵)。 (1)国际xx厂家原装全封闭压缩机组、循环水泵，性能先进、质量可靠； (2)制冷机组专用继电器、保护器、电容器、制冷部件，为进口原装高品质器件； (3)数显温度显示、微电脑 控温，操作简单、醒目； (4)循环系统采用防腐材料，具备防锈、防腐蚀、降低温液体污染的功能； (5)用电动搅拌器在本机内可直接完成 ； (6)（-40）-（-60）℃条件下的实验，可把冷却液输送给所使用的场所，内设有循环泵。技术参数(Technical Data):

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原文：
First, the concept of low-temperature circulation pump: Low-temperature circulating pump, is to take mechanical forms of low-temperature liquid circulation cooling equipment. With the provision of low-temperature liquid, the role of low-temperature water bath. Combination of rotary evaporator, vacuum freeze-drying, recycled water pumps, magnetic mixer and other equipment to function under low-temperature chemical reaction and drug store operations. Second, the application of low-temperature circulation pump: Low-temperature cooling liquid circulating pump particularly suitable for the need to maintain low temperature, working under normal temperature chemistry, biology, physics laboratory, is the medical and health, chemical industry, food industry, metallurgy industry, universities, scientific research, genetic engineering, polymer engineering and other necessary laboratory equipment (can be customized according to user needs large capacity of low-temperature cooling liquid circulating pump). (1) the world's leading compressor manufacturers original completely closed, circulating pumps, performance, reliable quality; (2) refrigeration unit dedicated relay, protector, capacitor, refrigeration part, for the original import high-quality devices; (3) Digital temperature display, microcomputer temperature control, simple, eye-catching; (4) the circulatory system with anti-corrosion materials, with rust, corrosion, reduce the temperature of liquid pollution function; (5) using an electric mixer directly in the machine to complete; (6) (-40) - (-60) ℃ under the conditions of the experiment, the used coolant delivery to a place equipped with circulating pump. Specifications (Technical Data):