commercialistn.商业主义者；重商主义者commercialadj.商业的n.商业广告commercial air conditioner商用空调commercial custom of trade贸易常规commercial condensing unit商业用压缩冷凝机组commercial developed index商业发达指数commercial moisture regain公定回潮率commercial passenger plane商业客机commercial WWW development商业WWW开发commercial paper financing商业票据融资commercial purity titanium工业纯钛commercial land develpment商业土地开发