颈管 neck tube ; reck tubing ; [解剖] cervical canal ; cervical duct
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
水龙头的鹅颈管 swivel gooseneck
颈管原位腺癌 Endocervical adenocarcinoma in situ ; Adenocarcinoma in Situ ; Endocervicl denocrcinom in situ
加注口颈管 filler neck tube
鹅颈管的“组合效应”改变了其几何组成部分的水流特性，而遵循其固有的运动规律。
The flow characteristics of geometric component of the gooseneck is changed due to "composite effect", and it follows an original motion law.
鹅颈管只伸入钢瓶内部较短的距离，弯曲到阀门排气口对面的钢瓶内侧。
The gooseneck goes only a short distance into the cylinder and then bends to the cylinder side opposite the valve outlet.
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