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- Matrix for plastic supersonic welding 超音波塑焊模具
- Supersonic Welding of Box Shroud Impeller of Low density Polyethylene at 低温超声波焊接低密聚乙烯离心叶轮
- The physics of supersonic flight. 超音速飞行的物理性质
- Have you taken supersonic aircraft? 你坐过超音速飞机吗?
- Some metals weld better than others. 有些金属容易焊，有的不容易焊。
- supersonic welding 超声波焊接,超声波焊,超声焊
- Developing the supersonic jet was quite an accomplishment. 开发超音速喷气机是一项了不起的成就。
- 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。
- The Navy also needed a supersonic fighter. 海军也需要一架超音速战机。
- 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。
- Supersonic Channel Airfoils for Reduced Drag. 减小阻力的超音速波道翼型。
- France Gauges Future Of Supersonic Transport. 法国评估超音速运输机的未来。
- 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 snail by comparison is supersonic. 相形之下，蜗牛的爬行倒可说是超音速的了。
- These planes travel at supersonic speeds. 这些飞机以超音速的速度飞行。
- What cries supersonic and enchanted graph? 什么叫超声心动图?
- It takes speed to weld steel at this heat. 在这样的高温下熔接钢铁需要快速。
- This is a supersonic jet aircraft for training. 这是一架超音速喷气式教练机。
