所有材料的用途，他是黄铜，桃花心木和镀锌铁。

All the materials he USES are brass, mahogany and galvanized iron.

youdao

铜、黄铜、铁、镀锌铁皮的钎焊。

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

youdao

铜、黄铜、铁、镀锌铁皮的钎焊。

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

youdao