heavy section

基本解释

For the sake of the axis accessory's figuration, the experiment of second wedge heavy section shrinkage was carried out.
为了成形大断面收缩率轴类零件，进行了楔横轧二次楔入试验。
The design characteristics, foundry technology and ultrasonic test method of heavy section ductile iron bearings for steam turbines was described and analyzed.
分析了汽轮机厚断面球铁件轴承座的设计特点、铸造技术和超声波探伤。
Solidification microstructures in heavy section high manganese steel casting were simulated using coupling cellular automaton(CA)and finite element method(FEM).
采用元胞自动机与有限元相耦合的方法模拟厚断面高锰钢铸件凝固组织。

Pile: long heavy section of timber, concrete or metal, driven into the earth or seabed as support for another structure.
UNESCO: L O S S A R Y

大断面
Recently pin timbering has been extensive used because the bolting of coal road has mellowed, however the problem of difficult tunnel reinforcement haven’t been solved properly, for example, wide span tunnel, heavy section.
近年来,随着煤巷锚杆支护技术日趋成熟,锚杆支护得到普遍推广应用,但是还不能很好解决大跨度、大断面等巷道支护加固问题。
冶金工程技术
大型钢材