It is permissible to chromium plate or electroless nickel plate the surfaces of the block.
允许对校准块表面镀铬或无电镀镍。
Special structure, keyless connection, high-chromium plate hammer, particular impact liner;
结构独特、无键连接、高铬板锤、独特的反击衬板;
Hexavalent chromium is used to plate metals and to make paints, dyes, plastics and inks.
六价铬常作为金属板用于制造涂料、燃料、塑料和墨水。
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