您要查找的是不是：
- 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 ceramics 氮化物陶瓷
- This hall exhibits jadeware and ceramics. 这个馆陈列的是玉器和陶器。
- Ceramics, the pearls of oriental art. 陶瓷品，东方艺术的明珠。
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- This hall exhibits jade ware and ceramics. 这个馆陈列的是玉器和陶器。
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- Ceramics, the pearls of oriental art . 陶瓷品，东方艺术的明珠。
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
- Chaozhou Jasper Ceramics Co., Ltd. 潮州市嘉柏陶瓷有限公司
- 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?
- Zibo ceramics are well-known all over the world. 淄博陶瓷名扬天下。
- Fast neutrons are also captured by nitrogen. 快中子也可以被氮吸收。
- WEIFANG HUAMEI FINE THCHNICAL CERAMICS CO., LTD. 潍坊华美精细技术陶瓷有限公司。
- Nitrogen forms four-fifths of the atmosphere. 氮气占空气的五分之四。
- Luoyang Beiyuan Special Ceramics Co., Ltd. 洛阳北苑特种陶瓷有限公司。
