您要查找的是不是：
- nitrogen blanketing valve 充氮管
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- She covered the bed with an old faded grey blanket. 她在床上铺着褪了色的灰色旧毯子。
- The traveler wrapped himself with a blanket. 旅行者用毯子把自己裹上。
- He threw a blanket over the injured man. 他急忙给受伤的人披上条毯子。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- Have you turned off the water valve? 你关掉水阀了吗？
- She covered her knees (up) with a blanket. 她把毯子盖在膝盖上。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- The boss promised a blanket wage increase. 老板答应全面加薪。
- The valley was covered with a blanket of snow. 山谷白雪如毯。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- We rigged up a tent with an old blanket. 我们用旧毛毯草草搭成帐篷。
- It's cold I need another blanket. 太冷了--我再要一条毯子。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- He rolled himself (up) in his blanket. 他用毛毯裹住身体。
- She sat by the fire, swaddled in a blanket. 她用毯子裹住身子，坐在火炉旁。
- They cuddled up (together) under the blanket. 他们盖著毯子(在一起)搂著。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- nitrogen blanket 氮气层
