Results The generalefficiency of the treatment group wais 52.8%, and that of comparative group was 42.9%(P>0.05);
结果治疗组总有效率为52.8%，对照组总有效率为42.9%，2组比较无显著性差异（P>0.05）；
2
From the performance perspective, the type of impeller and the generalefficiency closed impeller or less the same, but the type of impeller pump head curve dropped more.
从性能上讲，该型式叶轮效率高和普通闭式叶轮相差不大，但用该型式叶轮泵扬程曲线较为陡降。
3
Another key finding included the opportunity to outpace generalefficiency levels and competitors when one brand can occupy one classic channel, such as radio, exclusively within an industry.