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.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句