invar meaning in English

n.
【冶金】因钢，因瓦(铁镍)合金，不胀钢，恒范钢。

Geodetic leveling should be done with staves in which the divisions are marked on a strip of invar .
大地水准测量必须使用刻度标于不胀钢片上的水准标尺。
Verification regulation for invar leveling staffs
因瓦水准标尺检定技术规程
Extremely low - sag invar - reinforced aluminium conductor
极低弧垂钢芯铝绞线
Copper - invar - copper board
键盘板夹心板
Invar levelling staff
因瓦水准标尺

More: Next