您要查找的是不是：
- Technical specification of oil refinery nitrogen system design 炼油厂氨气系统设计技术规定
- It was also found that the nitrogen and phospho... 与主要作物相比,水葫芦对氮与磷素营养的吸收能力较强。
- This article mainly introduces a kind of ultralow temperature liquid nitrogen system for detection and control of liguid nitrogen temperature and liguid nitrogen surface height in a closed container. 摘要超低温液氮致冷控制系统主要包括温度采集控制和密闭容器中液氮高度测量两个部分。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- The drainage system has been aged. 排水系统已经老化了。
- They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- He's mute on the subject of social system. 他对社会制度的问题保持沉默。
- He said he used this system in the year dot. 他说他很久以前用过这个系统。
- Our manager is conversant with account system. 我们的经理精通会计制度。
- The system can translate English into Chinese. 这个系统能将英语译为汉语。
- The caste system is still strong in India. 种姓制度在印度仍然很牢固。
