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但取盖数量不多就弯曲变形,使取盖繁琐费工时。笔者采用1/2寸镀锌钢管(15mm×180mm),制备一种简易取铝盖工具。此工具制作简单、取材容易(如安装管道
But take a small number of bending deformation, so cover tedious work hours. I use 1/2 inch galvanized steel pipe (15mm × 180mm), to prepare a simple take aluminum cover tools. This tool is simple to create and easy to draw (such as pipe installation