常見例句雙語例句This system brings beautiful exterior effect of glass material, and maintenance and cleaning cost is low.玻璃材質(zhì)的屋面外部效果靚麗，清洗維護(hù)成本低。Assist delivery & acceptance procedures of the property when lodging in and moving out, introduce domestic help and Offer water and electricity maintenance service (charge for material cost);協(xié)助入住和搬出時的物業(yè)交驗手續(xù)，代為介紹家政服務(wù)，提供水電維修服務(wù)（收取材料成本費用）；After-sale service: The button damages, the lines broken, provide an accessory and penetrate pearl service, dispense with handwork and maintenance cost, but cost bears material by the customer.售后服務(wù)：扣子損壞，串珠線松脫，可提供配件及穿珠服務(wù)，免手工及維修費，材料成本由顧客承擔(dān)。sophiazq.spaces.live.com 返回 maintenance material cost