Castings and forgings and hydrogen brittleness sensitivity to the spare parts of the appropriate USES weak acid galvanizing.

铸锻件和对氢脆敏感的零件宜用弱酸性镀锌液。

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Castings and forgings and hydrogen brittleness sensitivity to the spare parts of the appropriate USES weak acid galvanizing.

铸锻件和对氢脆敏感的零件宜用弱酸性镀锌液。

youdao