standpipe connection

• 竖管接口

standpipe connection的用法和样例：

例句

1. The nipple of the gasketed connection is not bullet-shaped as in the bullet-nose connections, but is flat to compress the gasket.
   衬垫接头的管接口不是象弹头接头那样的子弹形，而是平的，以便压缩衬垫。