翻译这句话，汉译英

来源：百度知道 编辑：UC知道 时间：2024/06/06 06:57:37
用户同意按更改后的指标和配置签约和供货、验收，合同金额按原中标金额、不变。为了方便卖方顺利结算，用户同意按原中标合同的货物名称、型号等合同信息出具收货证明和验收证明。

不要机器翻译的，结果满意追加20分
双方均同意用型号为230-255代替原型号为230-7020-A供货

还有这句话，满意也追加20分
非常感谢

这个比较难。。。全是专业名词。。。

我加油助威吧。。。

After the user agrees to change the contract and delivery targets and configuration, acceptance, contract value according to the original bid amount, remain unchanged. In order to facilitate the smooth settlement of the seller, you agree to the contract originally awarded the type of goods, models and other contract information issued by the receiving certificates and acceptance certificates.
Both sides agreed to replace the original model 230-255 model 230-7020-A supply

Users agree according to signing index and disposition after changing and supply, confirm, the contract value, according to winning a bid of the amount of money, not changing originally. In order to make it convenient