combinev.联合；使结合；结合n.集团；联合收割机；联合企业combined disk组合式阀瓣combined feed总进料combined rack组合支架combined blow顶底复吹combined pile组合梁combined rate联合运价率combined rope混合绳combined cost联合成本,合并成本combined trap复合圈闭combined slab叠合板