安装工程的预结算是招投标的重要基础，也是合理确定安装工程造价的重要依据。
The budget of installation project is an important basis for bidding process, it's also an vital reference to determine installation cost.
安装工程的预结算是招投标的重要基础，也是合理确定安装工程造价的重要依据。
The budget of installation project is an important basis for bidding process, it's also an vital reference to determine installation cost.
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