NF3 has no detectable odor, so forced air/exhaust ventilation and ambient air monitoring are recommended where NF3 is stored or used.是什么意思_NF3 has no detectable odor, so forced air/exhaust ventilation and ambient air monitoring are recommended where NF3 is stored or used.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句