短語(yǔ)詞組短語(yǔ)The primary drug treatment 基礎(chǔ)藥物治療primary chemical treatment 初級(jí)化學(xué)處理primary surgical treatment 初期外科處理primary sewage treatment 一級(jí)污水處理primary heat treatment 預(yù)先熱處理primary surgery treatment 初期外科處理Primary waste treatment 污水處理primary operative treatment 一期手術(shù)治療primary wastewater treatment 廢水一級(jí)處理;廢水初步處理 返回 primary treatment