1.
Application of Pilot Rope Laying by Helium Balloon in EHV Transmission Line
氦气球展放导引绳在超高压输电线路中的应用
2.
You tie a helium balloon to your head and hope it acts like a mana shield.
你将一个氦气球系在头上，指望它能起魔法护罩的作用。
3.
Packed with105 helium balloons, a GPS device, water and some snacks, Kent Couch made lift-off.
他带上105个氦气球，一个全球定位系统仪，一些小吃和饮料开始了他的旅程。
4.
Slick Smitty entered the annual forest marathon race with helium balloons tied to his body.
斯力克.斯密提参加了年度森林马拉松比赛，他把氦气球系在自己身上。
5.
Most big balloons are now filled with helium.
现在许多大气球中充的是氦气。
6.
Helium is a gas used in balloons.
氦是一种用于气球的气体。
7.
Being both lighter than air and nonflammable, helium is used to inflate balloons and airships.
由于既比空气轻又不可燃，氦用作充气球和飞艇。
8.
They also discovered that the helium in the balloons would last for six hours.
他们也发现汽球中的氦气有效时限可达六小时。
9.
Helium is also lighter than air, but it costs a lot of money. So balloons were (and are) usually filled with hydrogen.
氦也比空气轻，但价格昂贵，因此气球过去(现在也一样)通常都装氢气。
10.
Thousands of cubic metres of helium were pumped into the towering silver canopy of his balloon.
数千立方米的氦气被灌入高达几米的银色气球中。
11.
Although helium is the most volatile gas known, significant quantities of the earth's original helium still remain trapped in its interior.
虽然氦是已知的挥发性最强的气体，但在地球内部至今仍以圈闭状态保存了相当数量的原生氦。
12.
A large helium or hot - air balloon constructed so as to resemble a figure or an object when inflated.
大型气球大型的填充氦气或热气的气球，充满气后模拟某个形象或物体
13.
high pressure helium gas scintillation counter
高压氦气闪烁计数器
14.
Helium and neon are inert gases.
氦和氖为惰性气体。
15.
holds liquid air or helium for scientific experiments.
放液体空气或氦气的用于科学试验。
16.
Study on Characteristic of Helium Compressor and Cascade Experiment;
氦气压气机基本特性及叶栅性能实验
17.
Study on Characteristic of Helium Turbine with the High Temperature Gas-cooled Reactor;
高温气冷堆氦气轮机基本特性的研究
18.
The method of on-line analysis of gas in helium system for reactors
氦气系统爆炸性气体的在线测量方法