Because the existence of Si reduces the activity coefficient of Al in the phase layer of FeSiAl 3 and decreases the number of aluminum atoms, supplied from molten Al to Fe 2Al 5 phase, the fast growth of Fe 2Al 5 phase is restrained.是什么意思_Because the existence of Si reduces the activity coefficient of Al in the phase layer of FeSiAl 3 and decreases the number of aluminum atoms, supplied from molten Al to Fe 2Al 5 phase, the fast growth of Fe 2Al 5 phase is restrained.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句