thin-walled tubes 闭口薄壁杆
Thin - walled tubes sampler 薄管采样器
long and thin-walled tubes 细长薄壁金属管件
combination of stiffened-thin-walled tubes 加劲薄壁筒组合体
welded thin-walled steel tubes 焊接薄壁钢管
IStream cars comprise a body of mechanically fastened panels made from recycled plastic bottles, around a lightweight composite chassis of thin-walled tubes.
iStream车体采用可回收塑料制造的机械固定板，地盘采用轻型的复合薄壁管。
The material is a thin coating of carbon nanotubes - hollow and multi-walled tubes about 10, 000 times thinner than a strand of human hair.
该材料是一种由碳纳米管组成的薄涂层——这些碳纳米管是中空多壁的，比一根头发丝还要细一万倍。
In this paper, the forming process of the thin walled helical tubes is analyzed.
分析了薄壁螺旋管的成型过程，阐述其自动成型机的原理及结构。
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