1·The steel pipes should be secured with clamps.
这些钢管应该用夹子固定起来。
2·We ranged steel pipes according to thickness and length.
我们把钢管按粗细和长短分类。
3·Control of Jacking Techniques for Steel Pipes Curtain.
钢管幕顶进控制技术。
4·He did not say if all those steel pipes had been examined.
他并没有说那些钢管是否都检验过。
5·He did not say if all those steel pipes had been examined.
他并没有说那些钢管都检验过没有。
6·He did not say if all those steel pipes had been examined.
他并没有说那些钢管全部检验过没有。
7·Steel plates, steel pipes, as well as non-ferrous and other materials.
钢板，钢管，以及有色金属和其他材料。
8·The test drawing of carbo steel pipes using the process is described briefly.
本文简要介绍了运用此工艺冷拔碳钢管试生产情况。
9·Steel pipes with inner cement lining slightly cracked or scratched on the edge.
钢管边沿水泥内衬，轻微裂痕、擦痕。
10·We manufacture hot rolling steel pipes, straight seam pipes and seamless steel pipes.
我公司生产热轧钢管，直缝钢管和无缝钢管。