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- Welding torch welding torch, also known as, the role is to combustible gases mixed with oxygen to form a certain flame welding energy. 手轮焊炬又名焊枪，作用是将可燃气体与氧气混合，形成具有一定能量的焊接火焰。
- Release of the welding energy instantaneously raises the contact point between the thermocouple wire and the base metal to the melting tempera ture and a fusion weld is formed. 焊接能量的释放会把热电偶线和基部材料的接触点的温度升高至熔化温度，然后产生熔化焊接。
- It is possible to transmute one form of energy into another. 把某种形态的能量改变成另一形态的能量是可能的。
- Young people usually have more energy than the old. 青年人通常比老年人精力充沛。
- Some metals weld better than others. 有些金属容易焊，有的不容易焊。
- The industry felt the effects of the energy crisis. 该工业受到能源危机的影响。
- I rallied all my energy for further effort. 我振作精神以做再次的努力。
- Kinetic energy is the energy arising from motion. 动能就是由于运动而产生的能量。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- It is important to conserve energy. 节省能源十分重要。
- On reaching welding heat, the metal surfaces are pressed together. 当金属表面达到焊接热度时就会压在一起。
- Nuclear energy remains a double-headed creature. 核能依然是一种有利也有弊的能原。
- As a matter of fact, light is a form of energy. 其实，光是能的一种形式。
- Some of the students are welding capacitor; the others resistor. 学生中的一些人在焊接电容，另一些人在焊接电阻。
- The move water have mechanical energy. 流动的水拥有机械能。
- Who discovered the conservation of energy? 谁发现了能量守恒？
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- Some of the students are welding capacitors; the others resistors. 学生中的一些人在焊接电容，另一些人在焊接电阻。
- It takes speed and skill to weld steel at this heat. 在这样的温度焊钢需要速度和技术。
- We can use solar energy to do many things today. 如今，我们可以利用太阳能做很多事情。
