Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/abb9ca7ff8634373b3a8dc34d8f98b08.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 spiralin是什么意思,spiralin的翻译,spiralin音标、读音、用法和例句_衣物护欧路词典
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. 采用正交试验与单因素试验相结合的方法分析了拔制工艺因素对内螺旋管凸筋成形的影响规律。