lump sum contract造句怎麼寫

4、In recent years, especially after2002, theimplementation of fixed lump sum contractis facing a critical obstacle due to the hikeof main construction materials such as steel, cement, sand, etc.

2、fixed price lump sum contract

1、turnkey lump sum contract

3、In the end, provides the coping strategy to the contract price adjustment coursed by the difference of quantities under the condition of the lump sum contract.