基本解释山形焊英汉例句双语例句The influence of radial slanting flight on cascade was analysed and the reasonableness of the flight welding angle was discussed.分析径向倾斜抄板对料幕的影响，讨论抄板弯角的合理性。词组短语短语cascade welding sequence 串行焊接顺序;串级叠置法