However, in most cases, only the use of welding method, cored wire solder in the pin-hole-shaped tail.

但多数情况下，只能采用焊接的方法，将芯线焊在孔形插针的尾部。

youdao

However, in most cases, only the use of welding method, cored wire solder in the pin-hole-shaped tail.

但多数情况下，只能采用焊接的方法，将芯线焊在孔形插针的尾部。

youdao