您要查找的是不是:
- "Argon provides an inert gas shield in welding and brazing, in lightbulbs and lasers, in Geiger counters, and in the production and fabrication of certain metals. 氩是以液态空气分馏法大规模分离制备的,已用于为电灯泡、电子管和盖格计数器充气。
- Inert gas shielded metal arc welding 金属极惰气保护焊
- tungsten electrode inert gas shielded arc welding 钨极惰气保护焊
- inert gas shielding 惰性气体保护
- Tungsten electrodes for inert gas shielded arc welding 惰性气体电弧用钨棒
- The PQR shall include the composition and flow rate of the shielding and inert gas backing, when used. 焊接工艺评定记录单上应包括封底焊时所用的惰性保护气体组成成分和流率。
- It is not necessary to replace air with inert gas. 不必用惰性气体置换空气。
- Copper and Copper ally rods and wires for inert gas shielded arc welding 惰性气体保护电弧焊用铜及铜合金焊棒和焊丝
- Titanium and Titanium ally rods and wires for inert gas shielded arc welding 惰性气体保护用汰及汰合金焊棒和焊丝
- Helium is a monatomic chemically inert gas. 它是单原子惰性气体。
- Argon serves as a shielding gas to protect metals from oxidation during welding. Inert gas welding is the preferred method of joining several ferrous and nonferrous alloys. 焊接中,氩作为保护气防止金属氧化。惰性气体焊接是连接几种含铁和不含铁的合金的首选方法。
- The tube is blanketed in an inert gas such as nitrogen or argon. 管子被整个地漫浸在流动的氮或氩等惰性气体中。
- Helium and neon are inert gases. 氦和氖为惰性气体。
- Leak-test lines and equipment with an inert gas before using. 使用前用惰性气体对管道和设备检漏。
- "He" is one of the six inert gasses. “氦”是六种惰性气体之一。
- Especially suitable for inert gas protection weld and gas cutting. 特别适用于惰性气体保护焊及气切割。
- Recommended practice for inert gas shielded arc welding (aluminium and aluminium alloy) 不活性气体电弧焊接操作标准(铝及铝合金)
- In pure inert gas arcs, the axial temperature may rise to 30000K. 而对于惰性气体保护焊的电弧,其轴向最高温度可达30000K。
- Keywords Thyristors;Inert gas shielded tungsten arc weiding;Power supply;Welding machines; 晶闸管;钨极惰气保护焊;电源;焊机;