combination hub接插座combinationn.结合；结合到一起的事物或人；密码combination of work with learning工学结合combination rolling mill practice联合轧制法combination electromagnetic field组合磁场combinations of investment in bond证券投资组合combination of productive capacity结合生产能力combination of sport witheducation体教结合combinational decomposition theory组合分解理论combination between work and study产学合作Combination of electrocodeposition复合电沉积Combination of Chinese and English中西结合