未按合同规定拨付预付款、工程进度款、代购材料价差款而影响施工进度的。
That Party a don't pay advance payment, progress payment and price difference in purchased materials via procurement agent as per contractual specifications influences construction progress.
施工招投标的担保一般包括投标担保、履约担保和预付款担保。
Construction tender guarantees generally include bid guarantee, fulfillment guarantee and advance payment guarantee.
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