obstructionguard
英[əbst'rʌkʃnɡɑːd]
美[əbst'rʌkʃnɡɑːd]
- n.火车机车的排障器(护拦)
相关词汇
obstruction
obstruction of common bile duct
obstruction of lymphatic return
obstruction restriction surface
obstruction of lacrimal passage
obstruction of Oddi's sphincter
Obstruction of the bladder neck
obstruction of lacrimal punctum
obstruction of the factory gates
Obstruction of functional outlet
Obstruction of the urinary tract
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