... 关键词 螺杆式制冷压缩机 国家标准修订 理解与实施 [gap=352]Keywords: Serew refrigerant compressor,National standard,Revision ...
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简述了冷镦和冷挤压用钢国家标准修订说明中的一点儿问题。
Describe some questions of the national standard modification statement of steel for cold heading and cold extruding.
介绍《粗直径钢丝绳》国家标准修订的意义和必要性，修订过程和主要的修订内容；
The significance, necessity, process, and main contents of revising National Standard of Steel Wire Rope with Large Diameter were introduced.
全年制定、修订国家标准6373项，其中新制定2714项。
A total of 6,373 national standards were developed or revised in the year, including 2,714 new standards.
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