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- The design by using programmable computer techology to achieve the automatic control of pneumatic conveying of polyamide chipsand nitrogen recycling is introduced. 简要介绍了利用可编程控制器计算机技术，实现锦纶切片气力输送及氮气回收的自动控制。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Nitrogen recycle 氮代谢
- They recycle empty tins so as to use the metal. 他们回收空罐头盒以利用其金属。
- We recycle all of our plastic bags. 我们回收我们所有的塑料袋。
- The parking was side of recycle station. 这个停车场就是废品回收站对面的那个。
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- I might recycle these designs someday. 我可能有一天会把这些人物设计用在别的地方。
- Q. Why don't meor businesses recycle? 问：为什么不进行更多的商业循环?
- They have to be sent to a special recycle centre. 它们必须被送到专门的回收中心。
- Remember to Pack it In, Pack it Out, and recycle. 记住：带来，带走，还有循环使用。
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- It is in our own best interest to recycle. 资源回收对我们是最有利的。
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
- We should recycle garbage, not burn it. 我们应该循环利用垃圾，而不是焚烧。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- We should try to recycle all our waste paper. 我们应该把所有废纸回收再利用。
