向心展开 centripetal development

离心展开 [分化] centrifugal development

白心展性铸铁 white heart malleable cast iron

黑心展性铸铁 black heat malleable cast iron

折心展性铸铁 iron oxide covering

呼叫中心展会 ACCE

台北世贸中心展览馆 TWTC Exhibition Hall

中心展频 center-spreading

以人民为中心的发展思想 the vision of people-centered development ; A Development Concept that Puts People First

国际会展中心 international conference center ; KINTEX ; Convention Center