镀锌铁皮

本文对复合玻纤风管与镀锌铁皮风管在工程中的应用做了详细的技术经济分析和比较，使人们更深一步地认识到，复合玻纤通风管道的优越性。

This article made the detailed technical economic analysis to the compound Bolivian filament wind tube and the galvanized iron sheet wind tube in project application and compares , makes the people late at night one step of place to realize , compound Bolivian filament ventilating duct superiority .

复合玻纤风管与镀锌铁皮风管的技术经济比较

The Compound Bolivian Filament Wind Tube and the Galvanized Iron Sheet Wind Tube Technical Economy Compares

镀锌铁皮，白铁皮用正电子湮没寿命谱研究锰锌铁氧体纳米晶的缺陷结构

On defects structure of manganese zinc ferrite nanocrystallines by positron annihilation lifetime spectroscopy

沿程摩阻系数：沿程摩阻系数接近镀锌铁皮风管。

Friction index : close to galvanized iron duct .

镀锌铁皮，白铁皮洋铁碗可曾收到了没有？

Had he received the tin bowls ?

笔者对这种大面积金属构造物，包括架空活动地板、金属装饰敷层，以及常用的铝板和镀锌铁皮板的工频磁场屏蔽性能进行了实验调查。

Experimental investigation of the shielding properties of such metallic structure as well as large flat sheets used in buildings is carried out .