The lower and upper flammability limits (LFL and UFL) for SiH4 in NF3 are 0.66% and 95.3%, respectively.是什么意思_The lower and upper flammability limits (LFL and UFL) for SiH4 in NF3 are 0.66% and 95.3%, respectively.在线翻译_英语_读音_用法_例句