转接颈套 adapter neck

凝汽器接颈 condenser connection

角面接触轴颈轴承 angular contact journal bearing

舵颈接头 rudder coupling

鹅颈形接头 gooseneck connection

管颈连接机 bulb-neck splicing machine

曲颈接头 swan-neck union

颅颈连接部 Craniocervical Junction

锁接式琴颈 bolt-on

焊接带颈孔板法兰 WELD NECK ORIFICE FLANGE