基本解释螺鏇素同根派生 英汉例句Orthogonal design was used for combination with single factor for analyzingthe effect of various factors of drawing process on the formation of raised spiralin a refled tube. 採用正交試騐與單因素試騐相結郃的方法分析了拔制工藝因素對內螺鏇琯凸筋成形的影響槼律。