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- It is not necessary to replace air with inert gas. 不必用惰性气体置换空气。
- Helium is a monatomic chemically inert gas. 它是单原子惰性气体。
- 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。
- 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。
- 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。
- Helium and neon are inert gases. 氦和氖为惰性气体。
- 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。
- "He" is one of the six inert gasses. “氦”是六种惰性气体之一。
- Inert gas studies are providing valuable information about other planets, too. 对惰性气体的研究，也提供了有关其它行星的有价值的资料。
- The complete measuring system is filled with an inert gas under pressure. 整个测量系统填充了加压气体。
- An inert gas such as argon is introduced to reduce evaporation of the filament. 将诸如氩那样的惰性气体充入灯泡中，以减少灯丝的蒸发。
- An empirical formula was given for determining the minimum inert gas flow rate. 给出了一个煤粉干燥工艺惰化设计的实例。
- It is only device to measure hemodynamic by the Inert Gas Rebreathing method. 唯一应用气体再呼吸法技术检测血流动力学及氧动力学的仪器.
- Is the inert Gas System fully operational and in good working order? 惰气系统是否完全可用并处于良好的工作状态？
- Since dry carbon dioxide is a relatively inert gas, special materials of construction are not required. 由于干燥的二氧化碳是相对不活泼的气体，不要求特殊的建材。
- 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。
- New inert gas data from terrestrial rocks has also raised other questions about the evolving earth. 地球岩石中惰性气体的新资料，为我们提出了与演变中的地球有关的许多其它方面的问题。
- Each electrode is a filaments for providing electrons to maintain an electric discharge through an inert gas. 每一电极是一灯丝，它发射电子，以通过惰性气体来维持放电。
- If permissible to blow back into the line, any purging medium such as air, inert gas, steam, or flushing oil may be introduced through this connection. 如果允许吹回到管路内，则任何冲洗介质，如空气，惰性气体，蒸汽，或冲刷油都可以通过这个连接引入。
