The compulsive-cold grinding and dry grinding tests were made.
进行了强冷磨削和干磨削试验。
Refrigerating technologies fast refrigerating inert gas packing refrigerating transportation non-agglomerated cold grinding. dry ice refrigerating;
快速冷冻、惰性气体包装、冷冻运输、不结块冷磨、干冰冷冻；
This picture echoes an old Chinese poem: Sharp edge of a sword comes out from grinding, and plum blossom's fragrance comes from the bitter cold.
这张照片和一首中国古诗产生了共鸣：宝剑锋从磨砺出，梅花香自苦寒来。
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