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- 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。
- Nitrogen blockage 氮塞
- 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。
- To clear a blockage from(a drain, for example). 从（如下水道）中排除障碍
- A blockage in the arteries could be very dangerous. 动脉阻塞是很危险的。
- Nystagmus blockage syndrome (Report of 3 cases). 眼球震颤阻滞综合征(附3例报告)
- There' s a blockage in the pipe. 管道堵塞了。
- Keep all drains free from blockage. 确保去水管没有淤塞。
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- He suffered a blockage in one of his arteries. 他的其中一条动脉发生了阻塞。
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- Fast neutrons are also captured by nitrogen. 快中子也可以被氮吸收。
- The interview clears lines of communication of emotional blockage. 访谈可以消除情感交流渠道上的障碍。
- Nitrogen forms four-fifths of the atmosphere. 氮气占空气的五分之四。
- Sorting and management of the parts in the blockage store. 对隔离库零件进行整理分类。
