双速压力泵更有利于浴槽密闭循环使用。
Baths include a two-speed pump for closed loop applications.
本仪器是多功能型的循环恒温水浴，不仅提供一个恒温浴槽，用于各种高低温试验；
This instrument is multifunctional type circulation constant temperature water bath, not only to provide a constant temperature bath, used for a variety of high and low temperature test;
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