resin cored tin solder

例句：

1. 1.The new electronic device uses a resin cored tin solder to connect the circuit boards.
   新型电子设备使用树脂芯锡焊料来连接电路板。
2. 2. The engineer used a resin cored tin solder to repair the damaged circuit board.
   工程师使用树脂芯锡焊料来修复损坏的电路板。
3. 3. The manufacturer recommends using a resin cored tin solder for long-term electrical connections.
   制造商建议使用树脂芯锡焊料进行长期电气连接。