“刀头”用英语怎么说？

刀头的刀柄和刀头分开使用铜焊焊接, 容易更换刀头.Blades and segments are welded by braze, which facilitate change of segment.自动垂直功能,可以确保刀头回到与工件完全垂直的位置去切割.Automatic resquaring feature insures nozzle is perpendicularly to the part being cut.请将刀头逆...

“刀头”的拼音为：dāo tóu...