自动安全关断的设计原理是由内置于高品质延性铸铁﹝或铸钢﹞阀体，以铰闩的阀门闭锁在一具有刃缘的阀座上。
【运输】铰接门【生活】铰链门
hinged door
暂无补充释义。
相关例句
相关词条
tipping bucket (dumping bucket), hinged bucket (trap bucket)
hinged distal extension
eccentric press, hinged press, crank press
hinged presser foot
hinged handle (pivoted handle)
hinged-slat roller shutter (roller shutter with slats disappearing in each other)
hinged support
STAY(S) for hinged members