Soldering of copper, copper alloys and galvanized iron plain sheet.

铜及铜合金、镀锌铁皮的釬焊。

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Soldering of copper, brass, copper alloys and galvanized iron plain sheet.

铜、黄铜、铁、镀锌铁皮的钎焊。

youdao

Soldering of copper, brass, copper alloys and galvanized iron plain sheet.

铜、黄铜、铁、镀锌铁皮的钎焊。

youdao