短语词组短语Pipe Protection Clamp 护管夹drill pipe clamp 钻杆夹持器inlet pipe clamp 进气管夹SWIVEL PIPE CLAMP 万向接头hanging pipe clamp anchor 吊管卡座single pipe clamp 单管卡exhaust pipe clamp assembly 排气管夹总成Pipe clamp valve 管夹阀 返回 pipe clamp