全部

1·The structure of the temperature control system of the gas fired furnace for heating of the big aeronautic forge piece is studied.

研究了供航空大锻件加热用煤气炉控温系统的结构。

2·Although the hydraulic forging press is a more expensive piece of equipment than a drop-forge, it has advantages beside those of giving greater strength and more uniform structure to large components.

虽然这种液压锻机比落锤锻造要昂贵得多，但它除了能给予大零件较高的强度和更均匀的组织外还有其它优点。