在欧洲可以获得一部分元件，我们期望在两年内用类似的设备进行临床试验。
Some of these units are available in Europe, and we expect to have clinical trials with similar devices here within two years.
蜗壳内部的流动现象十分复杂，是损失最大的元件之一。
The complex internal flow has made volute to be one of the component costing most loss.
太阳能热水系统主要元件包括收集器、储存装置及循环管路三部分。
Solar hot water system mainly components including collector, storage device and the circulation line three parts.
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