nitrogen dioxide

二氧化氮

Many fruits withstand storage under controlled concentrations of oxygen, carbon dioxide and nitrogen which are detrimental to quarantine insect pests.
多种水果能够在对检疫性害虫致命的受到控制的氧、二氧化碳和氮浓度下储藏。收藏
High concentration of sulphur dioxide, nitrogen, oxides and dust have long been known to be harmful.
人们早已知道，二氧化硫、氮、氧化物和尘埃浓度高是有害的。收藏

热点链接

历史查询

[清空历史] [更多]