1) lead 2 connector
铅跨接条
2) spreader bar
跨接横条
3) connection strap
跨接条
4) butting
[英]['bʌtiŋ] [美]['bʌtɪŋ]
铅字条连接
5) butted slugs
连接的铅字条
6) ribbonite
塞管接缝的铅条