短語詞組短語Welding operation sequence optimization 焊接作業(yè)順序優(yōu)化welding -sequence 焊接順序longitudinal welding sequence 縱向焊接順序block welding sequence 分段多層焊;構(gòu)件焊接順序;分段焊接法;多層焊接法progressive block welding sequence 級進分段焊接順序cascade welding sequence 串行焊接順序;串級疊置法joint welding sequence 接頭焊接程序Welding Sequence Optimization 焊接順序優(yōu)化balanced welding sequence 平衡焊接程序;對稱焊 返回 welding sequence