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鹅颈管 goose neck ; swanneck ; gooseneck pipe ; swan neck pipe
颈管消失 [妇产] effacement of cervix
浸没式鹅颈管压铸机 die-casting machine with submerged gooseneck
双颈管 Two neck CRT
瓶颈管理 Bottleneck Management
胆囊颈管结石 gallbladder calculus
颈管原位腺癌 Endocervical adenocarcinoma in situ ; Adenocarcinoma in Situ ; Endocervicl denocrcinom in situ
水龙头的鹅颈管 swivel gooseneck
加注口颈管 filler neck tube
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