3) thin-walled pipe
薄壁管材
1.
The problem on the gels influencing the product appearance in extrusion processing of polyolefin film and thin-walled pipe was discussed .
着重讨论薄膜和薄壁管材挤出加工中常见的影响聚烯烃制品外观的凝胶粒子问题 ,从聚合、树脂加工等方面进行分析并提出相应的解决方
4) small diameter and thin pipe
小径薄壁管
1.
Direct to the practical problem of the pipe rolling machine of Daxing Coal Mine can't roll small diameter and thin pipe research a kind of machine that can satisfy this demand and increase the working efficiency.
针对大兴矿卷管机不能满足卷制薄壁小管径的实际问题 ,提出研制一种卷管机满足小径薄壁管的卷制 ,提高了工作效率。
5) fine long thin-walled tube
细长薄壁管
6) superfine thin wall tube
超细薄壁管
补充资料：径径
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