求翻译：因而对本工程工期、质量均有很高要求，造价费用又一次包定，工作责任重大。本工程的施工将发挥我公司的优势，保证如期按本次投标工期完成施工任务，按合同规定质量等级建成，并把造价控制在一次包定价格内。是什么意思？

Hence on the quality of the project duration, have very high requirements, cost fee packages over and over again, responsible job. Construction of this project will play to our advantages, guaranteed by this tender construction task duration completed according to schedule, quality level as stipulated in the contract is completed, and control, at a cost of the package price.