Hourdn.胡尔德
hourn.小时;钟点
hour through the years method时历年法
Hourglass stenosis of stomach胃砂漏形狭窄
hourglass cells of hypodermis下皮的滴漏状细胞
hour counter jumper eccentric时计数器跳杆偏心轴
hourglass deformity of bladder膀胱砂钟畸形
Hourglass stricture of stomach胃砂漏形狭窄
hour indicator support seating时指示器座垫
hour angle system of coordinate时角坐标系