| 1. | Even slight spiraling motion in a square pipe increases the tendency of particles to be maintained in suspension .
水流在方管中稍有一些螺旋运动，将增加泥沙悬浮在水中的作用。 |
| 2. | Square pipe series all - purpose aluminum section materials
方管系列通用铝型材 |
| 3. | Static behavior of stepped t - type rhs joints
型方管节点静力工作性能的研究 |
| 4. | Aluminium alloy profiles for square tubes
方管类铝合金型材 |
| 5. | Free in and out stowed trimmed - f . i . o . s . t
船方管装不管卸 |
| 6. | Square drawn tubes in aluminium alloys
铝合金拉制方管 |
| 7. | A crashworthy type of single hull structure based on foam cubic tube
一种基于内充泡沫塑料薄壁方管的单壳舷侧耐撞结构 |
| 8. | Duct manufacture auto - line
方管系列 |
| 9. | Tg insulators and fittings for overhead lines . metal fittings . galvanized square tubes
架空线路用绝缘子和配件.金属配件.镀锌方管 |
| 10. | Squre tube series
方管系列 |
