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- acetylene welding torch 乙炔焊接吹管
- Some metals weld better than others. 有些金属容易焊，有的不容易焊。
- acetylene welding 气焊,氧乙炔焊,乙炔焊,乙炔焊接
- acetylene welding rubber hose 乙炔焊接橡胶管
- acetylene welding set 乙炔气焊装置
- 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。
- air acetylene welding 空气乙炔焊接
- Allene is an isomer of methyl acetylene. 丙二烯是甲基乙炔的一种异构体。
- 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。
- 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。
- Baicheng City Acetylene Gas General Fact. 白城市乙炔气总厂。
- The depository for acetylene cylinder. 乙炔瓶放置处
- 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。
- It takes speed to weld steel at this heat. 在这样的高温下熔接钢铁需要快速。
- They weld the pieces of a broken axle. 他们焊接断了的车轴。
- He is welding the pieces of a broken axle. 他正在焊接断了的车轴。
- His job is to weld parts together. 他的工作是焊接零件。
- The remaining 20%of the acetylene production is principally used for oxyacetylene cutting, heat treating, and welding. 乙炔生产的剩余20%25主要用于氧乙炔切割、热处理和焊接。
- The welding rod threw off a shower of sparks. 焊条火星四溅。
