风口循环区 raceway

循环区 raceway

塑性金属环区 corona bond

环翠区 Huancui District ; Tsui area ; Tsui district ; Huancui

环渤海地区 the Bohai Rim region ; Bohai Rim ; Circum-Bohai Sea ; Areas surrounded the Bo Sea

南环区 South Loop

单环区集设计 singly linked block design

大连循环产业经济区 the Dalian Recycling Industry Economic Zone

密封环区 seal ring area

布里斯班的美景环区 Scenic Rim