买方对卖方图纸及文件的批准不能解除卖方的定购合同上的责任。
Purchaser's approval for Vendor's drawings and documents shall not relieve Vendor of his responsibility to meet all requirements of the purchase order.
大用户直供电是指发电企业与大用户直接签定购销电能合同，进行电力购销交易的一种特殊行为。
Big electricity users straight power enterprise refers to direct users signed with the purchase and sale of electric energy contracts, power purchase and sale transactions for a special act.
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