...品种对比试验 comparative variety trial 通过对比试验 Through Comparison Testing ; By Contrasting Experiments ; With Contrast Experiments ; By Comparative Experiments 骨导对比试验 Schwabach'stest ..
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Through comparison testing of the surface of reflowing holes of the external-mix self-sucking pump, the best design is determined.
对外混式自吸泵的回流孔面积进行对比试验，确定最佳设计方案。
Through the comparison of various electrochemical protection testing techniques, we find that it is the most accurate in protective electric potential of the casing.
通过对比各种电化学保护测试法，介绍了接触测试法在对套管保护电位测量中的应用。
Through the comparison, An express and effective method of testing the maximum dry density of Rockfill material has been put forward.
通过相互对比，提出了一种快速、合理的方法来确定填石料室内的最大干密度。
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