| 1. | Chiu and seman(1971)studied the head loss of flows transporting sediment in circular and square pipes with spiraling motion .
邱和思门（1971）研究了在圆管和方形管中输沙时具有螺旋运动的水流的水头损失问题。 |
| 2. | Square stainless steel tubing for structures and decorations
结构装潢用不锈钢方形管 |
| 3. | Laminated products ; compression moulded square tubes of paper - base laminate or fabric - base laminate
层压制品.纸基层压或织物层压的模压方形管 |
| 4. | Aluminium and aluminium alloys . square and rectangular drawn tubes . dimensions and form tolerances
铝和铝合金.拉制方形管和矩形管.尺寸和形状公差 |
| 5. | Fixed railway installations . equipment for overhead telecommunication and signalling lines . square tubular steel sealing rods
铁路固定装置.通讯和信号装置架空线路用器材.方形管状钢密封杆 |
| 6. | Chiu and seman ( 1971 ) studied the head loss of flows transporting sediment in circular and square pipes with spiraling motion
邱和思门（ 1971 ）研究了在圆管和方形管中输沙时具有螺旋运动的水流的水头损失问题。 |
| 7. | Floating head heat exchanger with welded floating head ; number of passes : 2 , tubes 25 , square tube pitch 32 ; number and pattern of tubes , tie rods and slide rails
带焊接浮动头的热交换器.通路数2 ，管25 ，方形管心 |
| 8. | The effects of longitudinal and transverse stiffeners on quasi - static crushing of stiffened square tubes are studied with the nonlinear finite element method
本文用非线性有限元方法研究了准静态条件下纵向和横向加强筋对加筋方形管压溃破坏的影响。 |
