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- Water contains hydrogen and oxygen. 水含有氢和氧。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- A marine detector is a hydrophone. 海洋检波器是水中地震检波器。
- The hydrogen is the known the lightest element. 氢是已知的最轻的元素。
- 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。
- Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water. 氢与氧化合成水。
- A molecule of water consists of two atoms of hydrogen and one atom of oxygen. 水分子含有两个氢原子和一个氧原子。
- Establish proper injector and detector temprature. 给进样口和检测器设定恰当的温度。
- Water can be dissolved into hydrogen and oxygen. 水能分解成氢和氧。
- Both hydrogen and oxygen are elements. 氢和氧都是化学元素。
- Please walk through the metal detector. 请走过金属检测器。
- Hydrogen is a one-valence element. 氢是一价的元素。
- Design Digial Versatile Metal Detector. 种数字式金属探测器设计。
- Water is a compound of hydrogen and oxygen. 水是氢和氧的化合物。
- Simulating alarm test for fire detector. 火警检测器自动报警试验。
- Do you think it is ok to use a lie detector? 你认为用测谎仪好吗?
- This metal acts on water to set hydrogen free. 这种金属作用于水，就释放了氢气。
