This was the second of three spacewalks in the coolant tank replacement process.
更换冷却液罐的整个过程要进行3次太空行走，这是第2次。
The paper introduces improved finishing process of oil tank. This coatings system improves the fullness of the appearance and reduce the cost of finishing of tanks.
文章介绍了改进工艺后的油箱涂装，该涂装体系提高了油箱外观的丰满度，降低了油箱涂装的生产成本。
The liquid-position sensor working principle of brake-used oil tank, structural design of floater products, mold design, foam material as well as foam forming process are introduced.
介绍了刹车油箱液位传感器工作原理、浮子产品结构设计、模具设计、发泡材料用料、发泡成型工艺等方面内容。
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