常見例句雙語例句3-step cumulative mark-on was adopted for the tap water price and sewage water price, and the standards were different owing to different water users.其中城市自來水價和污水處理收費實行3級階梯式累進加價，針對不同用戶制定不同水費標(biāo)準(zhǔn)，并對低收入群體實行減免政策。 返回 cumulative mark-on