管结构 meaning in English

tube design
tubular construction
tubular structure

Most folding bikes are designed with long stems
许多折叠车都设计带有长头管结构。
A / c duct and vent duct structure of w / h deck
驾驶甲板空调、机械风管结构。
Current state of transitional metal disulfide nanotubes
过渡族金属硫化物纳米管结构研发现状
This is true for all folding bike brands with a long stem design
这是所有设计有长竖管结构的折叠车所存在真实问题。
Structural study on underground bifurcation of hydropower station with high pressure
高水头水电站地下埋藏式钢岔管结构研究

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