The unit offering bid invitation gives out bid invitation letters to three or more enterprises which have the capability to undertake the construction project;
由招标单位向有承担该项工程施工能力的三个以上（含三个）企业发出招标邀请书；
The unit offering bid invitation gives out bid invitation letters to three or more enterprises which have the capability to undertake the construction project;
由招标单位向有承担该项工程施工能力的三个以上（含三个）企业发出招标邀请书；
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