bell and spigot
短语词组
- bell and spigot faucet 承插口
- bell and spigot offset 承插式乙字管
- bell and spigot tee 承插式三通
- bell and spigot reducer 承插式大小头
- bell and spigot frame 承插结构
- bell and spigot joint 承插连接;插承接合;[机]套筒接合;套接头
- bell and spigot bend 承插式弯头
- bell and spigot cross 承插四通
- bell -and-spigot 套筒接头 返回 bell and spigot