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- Brazing of stainless steel under vacuum or protective atmosphere. 不锈钢真空或保护气氛钎焊。
- Brazing of copper and nickel under vacuum or reducing protective atmosphere. 铜和镍的真空或还原保护气氛钎焊。
- Helium can provide a protective atmosphere in the production of reactive metals, such as titanium and zirconium. 在活泼金属，如钛和的锆生产中，氦可以提供保护性气氛。
- The absence of a protective atmosphere means the moon has been subjected to intense bombardment in its 4.5 billion-year existence. 由于缺乏大气的保护，月球在它存在的45亿年间遭受了强烈的撞击。
- If a sheet blank is not coated, heating must be done in a protective atmosphere to avoid oxidation (scaling) and surface decarburization. 如果板料没有镀层，加热过程就必须在保护性气体中完成，以防止氧化（脱落）和表面脱碳。
- the quantity of the bath protection atmosphere flowed by 锡槽保护气体流量
- This paper introdtlces a chained belt muffless furnace set with protective atmosphere and controlled by a microprocessor, including its characteristics, structure and process flow. 本文介绍了微机控制的保护气氛无马弗链带炉机组包括它的性能、结构以及工艺流程。
- A reed switch consists of two ferromagnetic and specially shaped contact blades (reeds) positioned in a hermetically sealed glass tube with a gap between them and in a protective atmosphere. 一个磁簧开关是由两片特定形状且磁性强的(接触)叶片组成。此叶片被封装在一个装有保护气体的密玻璃管。里，而两叶片中间有一道间隔。
- She subscribes to an animal protection society. 她捐款给一个动物保护协会。
- We subscribe to an animal protection society. 我们定期捐款给一个动物保护基金会。
- The young in our society need careand protection. 我们社会的年轻人需要受到关怀和爱护。
- near normal protective atmosphere 近常压气氛保护
- He was paying out half his profits as protection. 他把所得利润的一半交给歹徒作为保护费。
- They lobbied on the environmental protection issue. 他们就环境保护问题在议员中进行了游说。
- A thin jacket is a poor protection against cold. 一件单薄的夹克衫不足以御寒。
- The settlers banded together for protection. 移民联合起来保护自己。
- He's devoted his whole life to the protection of the rare animals. 他终生献身于珍稀动物的保护。
- A thin coat gives little protection against the cold. 一件薄上衣没有什么御寒作用。
- Any payment exacted for protection. 勒索的钱财强逼某人支付的保护费
- Induction Quenching of Ball Head Pin in Protective Atmosphere 球头销在保护气氛中感应淬火
