Communications and transportation transportation by land, water, air and pipeline, loading unloading and delivery 3.
交通运输业陆路运输、水路运输、航空运输、管道运输、装卸搬运3%。
The levying scope of this tax item includes: land, water, air and pipeline transportation, loading and unloading transportation.
本税目的征收范围包括:陆路运输、水路运输、航空运输、管道运输、装卸搬运。
The crack fractographs of X60 pipeline steel after 10% per-tension deformation under cyclic loading are investigated by the SEM.
用扫描电镜(SEM)分析了X60管线钢在未变形和10%的预拉伸变形后循环载荷下的裂纹断口形貌。
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