plastic conduit 塑料管 ; 塑料管道
protective plastic conduit 塑料防护导管
plastic conduit wiring 合成树脂管工事
Plastic flexible conduit 尼龙软管系列
Split plastic flexible conduit 软管系列
Plastic Spirals And Textile Conduit 塑料胶线圈及纺织管
Based on the theory of elastic-plastic deformation, according to the finite element method, this paper presents a nonlinear analysis of the distribution of the soil pressure of the ditch conduit.
表明对大型沟埋式管道的上压力，采用弹塑性理论的非线性分析是比较符合实际的，其结果可供设计参考。
Through the study of the injection mould for the plastic conduit, the problems on design of multi_cavity injection moulds for deep_cavity plastic parts were solved.
对中性笔笔帽塑件进行了分析，确定了模具结构，阐述了深腔强脱塑件模具的设计注意要点，对同类注射模具有较好的参考价值。
Methods: With some simple materials such as silica gel conduit, non-returnable infusion-tube, foamed plastic board bored etc. Some the NNB thoroughfares are formed respectively.
方法：选择简单易得的硅胶管、一次性输液管、泡沫塑料板等材料，分别连接成各(NNB)通路，使液体试样富集成固体。
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