您要查找的是不是:
- helium detector 氦检测器
- Helium and neon are inert gases. 氦和氖为惰性气体。
- The antimatter equivalent of helium. 反氦与氦等价的反物质
- Helium was discovered on the sun. 氦是在太阳上发现的。
- Most big balloons are now filled with helium. 现在许多大气球中充的是氦气。
- A fountain of helium spurt out of the tube. 有一股氦的喷泉从小管中喷出。
- Helium is a gas used in balloons. 氦是一种用于气球的气体。
- A marine detector is a hydrophone. 海洋检波器是水中地震检波器。
- Thermopile is usually a blackened thermal detector. 热堆一般是个涂黑了的热探测器。
- The detector tube is filled with nitric oxide. 检测管中充满了氧化氮。
- Atoms of hydrogen are fused to make helium. 氢原子可熔合成氦。
- The element of helium was first found in the sun. 氦元素最初是在太阳里发现的。
- Establish proper injector and detector temprature. 给进样口和检测器设定恰当的温度。
- You can be a helium hea without even trying. 你真是个大傻瓜,甚至连试都不试一下。
- Hydrogen provided more lift than helium. 氢气的上升性能优于氦气。
- Please walk through the metal detector. 请走过金属检测器。
- It gets the hydrogen and helium right. 根据结果表示,氢元素和氦元素都比较正常。
- Helium is a monatomic chemically inert gas. 它是单原子惰性气体。
- Design Digial Versatile Metal Detector. 种数字式金属探测器设计。
- Simulating alarm test for fire detector. 火警检测器自动报警试验。