Steel head, pronounced [ti tóu]
Make sentences:
1. In a corner, there is a friendship contest with steel-headed wooden sticks as weapons.
At that time, I was very young, and I was still wearing steel-toed boots.
3、? The correct sequence of manual soldering iron welding should be that the welding head touches the pad first, transfers heat to the pad to raise the temperature of the pad, and then puts the welding wire on the pad. At this time, the temperature of the pad should be enough to melt the solder and form the connection.
4, iron head work, for the strong outside, is masculine, strong inside.
5. You are so cute.