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- The result showed this diopside has function to improve usability of welding and deposite metal machanics properties of low hydrogen welding electrode. 结果认为,这种钙镁硅酸盐矿物,具有提高熔渣碱度和改善焊条的焊接工艺性能及熔敷金属力学性能的作用。
- atomic hydrogen welding apparatus 原子氢焊接机
- atomic hydrogen welding electrode 原子氢焊电极
- 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。
- Some metals weld better than others. 有些金属容易焊，有的不容易焊。
- Critical hydrogen content in weld Ot titanium malerials. 钛材焊接临界氢含量
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- 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。
- 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。
- 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。
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- 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。
- 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。
- It take speed and skill to weld steel at this heat. 在这样的温度焊钢需要速度和技术。
- 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。
- 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。
- It takes speed to weld steel at this heat. 在这样的高温下熔接钢铁需要快速。
