If the first gear pump operation, or long-term idle after use, preferably in small load or no-load circumstances Xianpao One hour.
齿轮泵若是第一次运行，或长期闲置后再使用，最好在空载或小负荷情况下先跑合一小时左右。
The paper introduces some experience in anti-interference for design and parallel operation of small intermediate frequency three-phase synchronous generator with active load.
本文介绍了带有源负载时，小型三相同步中频发电机的设计和并联运行时抗干扰方面的一些经验。
The utility model has the advantages of steady operation state, low cost, high degree of automation, small work load, and no impact on health of the sampling person.
运行状态稳定，成本低，自动化程度高，工作量小，不会影 响采样人员的健康；
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