combine body联合收获机壳体combinev.联合；使结合；结合n.集团；联合收割机；联合企业combined maintaining plate双历压片combined immuno deficiency联合免疫缺陷combined transport operate[经] 联合运输经纪人combined angle measurement组合测角combined-impulse turbine组合冲击式涡轮机combined scraper bulldozer推土铲土联合机combined-effect leverage联合杠杆效果combined transport network联运网络combine harvester for rape油菜联合收割机combined large steel model组合大钢模板