The constructing technique of the160? Meter diameter welding ball junction double-deck net shell steel structure roofing of which is in the leading position in China.
160米直径焊接球结点双层网壳钢结构屋面施工技术在国内处于领先地位。
It analyzes the basic structure of the double-deck injection mould, describes how to design the temperature control system and mechanism for mould opening. The paper shows an example.
首先分析了叠式模具的基本结构，然后阐述了温控系统、开模机构的设计与选择，最后给出一个具体的设计实例。
This machine adopts double-deck structure, will be washing, dry off, drying the combination of worktocomplete one piece of equipment, it can save space and enhance efficiency.
本机采用双层结构，将洗涤、脱干、烘干工作组合在一台设备上成，因此可以节约空间，提高工作效率。
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