feeder head
英 [ˈfiːdə(r) hed]
美 [ˈfiːdər hed]
（钢锭的）收缩头；冒口；气孔
双语例句
- John, 67, from Southampton, said: The squirrel was a bit wary of the feeder at first, but he soon realised there were peanuts inside and began poking his head in to get them. '
来自南安普顿约翰今年67岁，他说：一开始松鼠对喂食器有点警觉，不过很快他就发现里面放着花生，于是它就开始探头进去找花生吃。 - The Design of the Feeder Head of the High-strength Iron Casting
高强度铸铁件冒口的设计 - The hardware of the system comprises the five sub-systems, i.e. welding power source, arc length controller, welding wire feeder, welding head traveller and detector.
此系统的硬件主要包括五个子系统，即：焊接电源、弧长控制器、送丝机构、焊矩行走机构和检测机构；