combination carn.混合车厢combinationn.结合；结合到一起的事物或人；密码combination between school and enterprise校企结合combination of education and entertainment寓教于乐combination pulse and frequency-coding s脉冲和频率组合编码制combination numbering and lettering method[经] 文字数字结合编号法combination inclined underholing technique组合斜眼掏槽技术Combination of Fully-closing and Opening全封闭与敞开式结合Combination pregnancy and ureteral calculus妊娠合并输尿管结石combination of irrigation and fertilization水肥模式combination type gear inspection instrument齿轮综合检测仪combination between schools and enterprises校企合作