英语高手~~!!

一般不这样说，而说soldering iron.
来焊接电气设备和电子线路的锡焊工具。主要由电热元件(烙铁芯)和烙铁头组成。按加热形式，分外热式、内热式和感应式三种。外热式的烙铁头插入电热元件内加热，牢固耐用，但热效率低；内热式的电热元件置于烙铁头内壁，热效率高，体积小；感应式的在数秒钟内能使烙铁头达焊锡温度，故也称快热式电烙铁。
n.
A usually rod-shaped metal implement with a pointed or wedge-shaped tip, used in soldering metallic parts.
A tool for joining metals with solder; has a wedge-shaped metal bit, usually of copper, which is heated.

soldering iron

Using a soldering iron.A soldering iron is a device for applying heat to melt solder for soldering two metal parts together.

A soldering iron is composed of a heated metal tip and an insulated handle. Heating is often achieved electrically, by passing a current, supplied through an electrical cord or a battery, through a heating element. Another heating method includes combustion of a suitable gas, which can either be delivered through a tank mounted on the iron (flameless), or through an external torch.

Some irons stay hot as l