In order to test the working ability of the equipment under rated load, the load test can be carried out according to the percentage increasing mode of the design center.
小型加工中心负荷试验主要是为了检验设备在额定负荷下的工作能力，负荷试验可按加工中心设计功率的百分比递增方式顺序进行。
Test results have indicated that under rated load, the heat efficiency of the new burner is 30 ~ 50% higher than that of the ordinary ones.
测定结果表明，这种燃烧器在额定负荷下的热效率比目前常用的燃烧器提高30—50%。
To selection of the optimum type transposition from the test results at rated load and overload operation are compared and analyzed in the paper.
比较分析了在额定和超发工况下的试验结果，以便按照具体情况选择最佳方案。
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