The effect of rare earths on the kinetics of boron-aluminized layer growth of armco iron using Pasty method at 890, 920 and 950 t was studied.
英
美
-
采用膏劑法在890,920和950℃對工業(yè)純鐵進(jìn)行稀土硼鋁共滲及硼鋁共滲,考察了稀土在各溫度條件下對滲層生長(cháng)動(dòng)力學(xué)的影響。
-
国内精品美女A∨在线播放xuan