寿命长、工作可靠。
The experimental result shows the control scheme of the paralleling of PFC module work reliable with good performance and is easy to realize in practice.
样机实验结果表明，并联控制方案工作可靠、性能优良，工程上易于实现。
By being tested, the reformed ventilator has its steady work, reliable safety and the work efficiency has increased obviously. Consequently the expected goal has been realized.
经检验，改造后的风机运行平稳、安全可靠，工作效率明显提高，达到了预期目的。
By being tested, the reformed ventilator has its steady work, reliable safety and the work efficiency has increased obviously. Consequently the expected goal has been realized.
经检验，改造后的风机运行平稳、安全可靠，工作效率明显提高，达到了预期目的。
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