您要查找的是不是：
- Keywords polyethylene pipeline;electrofusion welding;80196 chip microcomputer; 聚乙烯管道;电熔焊接;80196单片机;
- Keywords compsoite plastic pipe;electrofusion welding;welding voltage;dynamic process control; 复合塑料管;电熔熔接;熔接电压;动态过程控制;
- Keywords pressurized plastic pipe;butt fusion welding;electrofusion welding;de velopment; 塑料压力管道;热熔对接焊;电熔焊;发展;
- electrofusion welding 电熔熔接
- Some metals weld better than others. 有些金属容易焊，有的不容易焊。
- 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。
- 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。
- 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 welding rod threw off a shower of sparks. 焊条火星四溅。
- Before applying heat for a weld, the plates should be clamped together. 在用热进行焊接之前，必须把金属板紧紧地夹在一起。
- Suitable for MMA, argon arc, arc gouging welding. 可用于手工电弧焊、氩弧焊、电弧气刨.
- Fair knowledge on welding and production drawing. 良好的焊接工艺与技术图纸知识。
- Hard Facing is weld deposited Cobalt base alloy. 硬面焊接钴基合金沉淀物。
- These alloys weld at different heats. 这些合金可在不同的温度熔接。
