短語(yǔ)詞組短語(yǔ)railway heavy haul traffic 鐵路重載運(yùn)輸heavy -traffic 重交通heavy truck traffic 重載交通heavy seeding traffic road 交通擁擠的道路heavy loading traffic 重載交通heavy seeding traffic zone 交通繁忙地區(qū)heavy road traffic 繁忙公路運(yùn)輸heavy load traffic 重載交通heavy seeding traffic period 業(yè)務(wù)繁忙時(shí)間 返回 heavy traffic