Press car bodies out of sheets of steel . 把钢板冲压成汽车车身。
The ram jet is the simplest of the three . 冲压喷气发动机是这三种最简单的一种。
High pressure is used to stamp articles made of metal and plastics . 高压还用来冲压金属和塑料制成的物品。
The ram jet provides a series of hard thrust, with coasts in between . 冲压发动机产生一系列的强推力，而在两次推力之间有间断。
The rockets give the planes and missiles enough speed to make the ramjet engine workable . 这种助推火箭为飞机和导弹提供足够的速度，以使冲压式喷气发动机可以开动工作。
The dynamic performance of a ram air system will vary with mach number and altitude and this tends to follow the aerodynamic characteristics of the missile . 像导弹空气动力特性一样，冲压空气式系统的动态特性随马赫数和高度的变化而变化。
To do the set - up and changeover of the stamping die 完成冲压品番的更换及设置。
General specifications of sheet metal stamping parts 金属冷冲压件.通用技术条件
Tools for pressing - guide plates - u - and v - blocks 冲压工具.导板. u形和v形块
Press tools - guide pillars - type a , straight pillars 冲压工具.导柱. a型直导柱
