管道输送管道运输transportation: n. 运输,输送;转运,搬运;迁移;〔美国〕运输机关;运 ...transportation pipeline: 输送管线gas pipeline transportation service: 煤气管道输送pneumatic transportation by pipeline: 管道气压运输transportation inventory,pipeline stock: 在途库存下载手机词典可随时随地查词查翻译