国家标准gb是什么缩写-标签分类-2025-12-10 14:34
必应
强制性国家标准的缩写是 gb/z,
中华人民共和国国家标准 gb 是由 颁布的,
what does gb stand for,
what does gb stand for country,
what does gb mean in states,
what does gb stand for slang,
what state is gb abbreviation,
中华人民共和国国家标准 gb/t,
gb what does it mean,
what does gb means,
what is the meaning of gb