Plastic pipes for drinking water  塑料饮水管

Soaked liquid of plastic pipes for water supply  浸泡水

Al-plastic compound pipes  铝塑复合管

aluminum-plastic composite pipes  铝塑复合管

plastic-coated steel pipes  涂塑钢管

steel plastic compound pipes  钢塑复合管

elasto-perfectly plastic medium with plastic orthotropy  平面应变

plastic mulching plus a small plastic tunnel  双膜小拱棚

modified poly(vinyl chloride) pipes(PVC-M pipes)  改性聚氯乙烯(PVC-M)管材

oriented PVC pipes(PVC-O pipes)  取向聚氯乙烯管材(PVC-O)

unplasticized poly(vinyl chloride) pipes(PVC-U pipes)  硬聚氯乙烯(PVC-U)管材

~+Plastic limit analysis  ~+塑性极限分析

2D elasic-plastic  二维弹塑性

2D elasto-plastic finite element method  二维弹塑性有限元法

2D-elasto-plastic FEM  弹塑性二维有限元法

3 D elastic plastic  弹塑性

3D elastic-plastic  抗弯; 三维弹塑性

3D elastic-plastic FEM analysis  抗低温开裂; 三维弹塑性有限元分析

3-D elastic-plastic finite element  三维弹塑性有限元; 抗剪