doubleT steel I是什么意思

用法例句

Development of high weather resistance Q345GNHL310 Z-beam;

高耐候310乙字钢试制

王-beam steel was difficutly producced on Φ500mm mill because of equipment capability,roll strength and section characteristics of products.

由于受设备能力、轧辊强度、王字钢断面特点等因素制约,在Φ500mm轧机上生产王字钢有相当难度,但通过合理的孔型设计,实现了用轧制法生产王字钢。

Numerical simulation of metal flow patternof Z-type steel in butterfly pass;

Z字钢在蝶式孔型中金属流动的数值模拟

Alteration rule of Z-type steel thickness in butterfly pass;

不等边不等厚Z字钢在蝶式孔型中厚度尺寸的变化规律

Among various steel structures, I-steel beam (H-steel beam) is the most widely used as the main structure of almost all engineering works.

作为钢结构中的主要构件之一的工字钢梁(H钢梁)是工程中使用最多的型钢之一。

According the features of Panzhihua Rail&Beam Plant and section of No.

结合攀钢轨梁厂生产特点及断面特点,进行30#工字钢孔型设计,着重阐述了孔型系统的选择和孔型参数的确定,通过孔型系统优化设计,一次性成功轧制出30#工字钢。