Formulas for calculating the shell wall thick-ness are derived and a method for calculating the wall thickness is also obtained based on related theoretical analyses and actual measuring results.

本文根据理论分析和实际测定推导出管坯壁厚计算公式及确定管坯壁厚的计算方法。

youdao

youdao

youdao

At night, a thick wall of noise seemed to edge closer and louder in proportion with my sleeplessness.

WSJ: A Trumpet in the Wild

Woods hooked his tee shot deep into the trees, where he was surrounded by a thick wall of fans.

NPR: Sergio Implicates Tiger For Bad Shot At Players

Today, sources tell me the reforms have met a large high and thick wall in the corridors of the Treasury.

BBC: A few shades of grey at the Treasury