他们更进一步被为额外的安全以一个猛拉大头针保护。

They are further secured with a hitch pin for extra safety.

youdao

第三步，把电缆焊接到针焊接孔上。

The third step, the cable soldered to the pin hole soldering.

youdao

第三步，把电缆焊接到针焊接孔上。

The third step is to cables welded to the pin welding hole.

youdao

第三步，把电缆焊接到针焊接孔上。

The third step is to cables welded to the pin welding hole.

youdao