1) medium-large caliber

大中口径
1.
In order to improve functions of a shell-feeding system for a naval gun,an agile shell-feeding system was designed for a medium-large caliber navy gun.
针对目前我国大中口径舰炮供弹系统急待改进的现状,在借鉴国内外供弹系统现有技术的基础上,提出了一套新型大中口径舰炮敏捷供弹系统。
2) Medium /large-sized straight weld ed pipes

大中口径直缝焊管
3) large diameter coiled pipe

大口径中空壁缠绕管
4) Large caliber twin-tube guns

中大口径双管火炮
5) Large-medium sized hi-alloy steel tubular products

中大口径高合金管材
6) large diameter

大口径
1.
FEM modeling and experimental of NC bending process of thin-wall tube with large diameter and small bending radius;
大口径薄壁小弯曲半径数控弯管有限元建模和实验
2.
Numerical Simulation and Experimental Study on the Forming Process of Large Diameter High Grade Steel Pipe Fittings;
大口径高钢级管件成形工艺数值模拟及实验研究
3.
The applied priority of PP large diameter twin wall corrugated pipes was emphasised.

主要介绍了双壁波纹管及其所用材料的种类并对它们进行了分析比较 ,重点介绍了聚丙烯树脂在大口径双壁波纹管上的应用优势。
补充资料:大中人
1.指身材接近成人的少年。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条