继签订第一批《水利水电工程建设项目节约水泥合同》后(详见《水力发电》1987年第7期),水利水电建设局又与三个单位签订了《工程建设节约水泥合同》(见附表)。这样,“七五”期间,水利水电工程建设项目节约水泥合同节约指标数可达47.42万t。附表:第二批“七五”工程建设项目节约水泥合同节约指标效 Following the signing of the first “Contract for Cement Conservation in Water Conservancy and Hydropower Engineering Construction Projects” (see “Hydropower Generation”, Issue 7, 1987), the Water Conservancy and Hydropower Construction Bureau has signed the “Contract for Saving Cement in Engineering” with the three units (see Schedule). In this way, during the “7th Five-Year Plan” period, the number of economizer-saving contracts for water conservancy and hydropower project construction projects can reach 474,200 tons. Schedule: The Second Batch of “Seventh Five-Year” Project Construction Project Saves Cement Contracts and Saves Indicators