Remove excess solder with small brush while plastic leaving a fillet around end of valve as it cools.

当焊料处于粘滞状态时，用刷子把多余的焊料清除干净。焊料冷却后，将一条嵌条环绕在阀门的端口。

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Due to the consideration of environmental protection, the substitution of lead-containing solder with lead-free solder has become an inevitable trend in the 21st century.

进入21世纪，由于环境保护的要求，锡铅焊料将逐步被无铅焊料所取代。

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With a nifty solder-gun and his small engraving lathe he could make an American typewriter speak 145 different tongues, from Russian to Homeric Greek.

ECONOMIST: Martin Tytell

This circuitry will allow the microprocessor maker to replace the delicate bonding wires connecting the chip to the package with tiny balls of solder.

FORBES: It's all in the packaging

They were all welded with what looked like five pounds of solder onto the substantial circuit board.

FORBES: Zero Dollar Fix