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- nitrogen sealed control 氮封控制
- Reformation of nitrogen seal of blast furnace gas compressor is introduced. 介绍了高炉煤气压缩机采用氮气密封的改造。
- WHY IT WORKS: Gently exfoliate with finely ground Peach Stone while Willow Bark clears pores and antiseptic Golden Seal controls outbreaks. ;;;天然的蜜桃颗粒和柳树皮萃取精华协同作用，深层清理脸部老化角质、调节油脂、畅通毛孔；
- Police sealed off all the exits from the building. 警方把建筑物的所有出口都封锁住了。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉，以便保存肉汁。
- The putty gives a good seal round the window. 窗户四周泥的油灰密封效果很好。
- The computer disk is sent in a sealed container. 计算机软盘装在密封的盒里寄出。
- Our foil packets seal the flavour in. 我们用锡纸包装以保持原味。
- Industry rarely thrives under government control. 在政府控制之下工业很少会发达。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- This document carries the royal seal. 这份文件上盖有王室印章。
- Those rebellious teenagers are hard to control. 那些反叛的青少年很难管教。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Pollution control has cleared the air. 污染管制已净化了空气。
- The seal on the bottle has perished. 瓶子的封记已经腐烂。
- An ASCII control character, end of medium. 一种ASCII码控制字符，媒体结束符。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- The firemen were unable to control the blaze. 消防队员无法控制这场大火。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
