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- Always open a cylinder valve slowly. Never crack open a hydrogen cylinder to clear the valve of dust, as the escaping hydrogen may ignite. 总是慢慢地开启钢瓶阀门。由于溢出的氢可能着火，禁止啪地一声打开氢钢瓶。
- Compressed hydrogen cylinder on vehicle 车载储氢气瓶
- Pollution of hydrogen cylinders with moisture is hazardous as it causes corrosion, which in turn can cause pressurized cylinders to burst. 潮湿的环境会引起对氢气瓶的腐蚀造成成危险。以后可能会引起在气瓶承压时发生爆炸。
- Warning：It is not safe to use flammable hydrogen ad balloon gas.Avoid using hydrogen cylinders(ie green coloured) for this application. 警告：用易燃的氢气作为气球气是很不安全的。避免使用氢气瓶（绿色的）。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- The accident didn't do much damage to the cylinder. 在意外事故中，汽缸没有受到重大损坏。
- The string is wound round a cardboard cylinder. 线缠绕在纸筒上。
- Keywords hydrogen cylinder;hydrogen embrittlement;stress corrosion;ultrasonic test; 氢气气瓶;氢脆;应力腐蚀;超声波检验;
- The engine is misfiring badly on one cylinder. 发动机有一个汽缸严重失灵。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- The cylinder is a crucial part of the washing machine. 滚筒是洗衣机必不可少的部分。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- The cylinder is getting too much gas and not enough air. 汽缸里汽油太多而空气不足。
- A graduated container, such as a cylinder or beaker. 量筒，量杯标以刻度的容器，如圆筒或烧杯
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- The piston froze in the cylinder. 活塞冻牢在汽缸里。
- The hydrogen is the known the lightest element. 氢是已知的最轻的元素。
- Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water. 氢与氧化合成水。
- The piston is reciprocating inside cylinder. 活塞在汽缸内部往复运动。
- 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。
