combinationn.结合;结合到一起的事物或人;密码
combination of reservoir and seal储盖组合
combination buffer and draft gear缓冲车钩
combination learning with working工学结合
combination working with learning工学结合
combination of significance tests显著性检验组合
combination in restraint of trade贸易限制中的联合
combination chrominance amplifier组合色度放大器
combination of spores and pollens孢粉组合