鹅颈通风筒 swan neck ventilator ; gooseneck ventilator

颈通颗粒 Jingtong Granules

鹅颈式通风筒 gooseneck ventilator

鹅颈形通风筒 gooseneck ventilator ; swan neck ventilator

颈部普通增强 Neck Enhanced Scan

交通瓶颈地段 Traffic bottleneck

鹅颈形通气孔 goose neck vent

鹅颈形通风管 gooseneck vent

通颈 Neck-through

肩颈疏通 Shoulder and neck dredge