The effect of high frequency electromagnetic field imposed on outside of a coldcrucible mold on the quality of cast metal in hot experiment was studied.
考察了冷坩埚式结晶器外施加高频电磁场对连铸坯表面质量的影响。
2
Berlin in 1961 was a crucible of the cold war.
1961年柏林经受着冷战的严峻考验。
3
The surface temperature of melt pool in crucible and hearth of TC4 alloy during electron beam cold hearth melting was measured accurately by using M9100 pyrometer.