defective material meaning in English

残料
有缺陷材料
有缺陷的材料
有缺陷原料
有损坏的物料；有问题的物料；不合规格的物料

The seller shall guarantee the supplied material / equipment against manufacturing defects , defective material and faulty design or workmanship for a period of 12months from the date of successful commissioning
是不是卖方保证自试车成功后12个月内不得出现所提供材料/设备的生产缺陷,设计缺陷或工艺上的缺陷.
If buyer finds that the quality , specification and quantity of the arrived products are inconsistent with this contract , including internal defects or defective materials , buyer shall arrange cib to make inspection and claim against seller in accordance with inspection certificate
如果发现货物质量和规格与合同规定不符，包括内在缺陷或使用不良的原材料，买方将安排商检局检验，并有权依据商检证书向卖方索赔。
Not to permit any third party to carry out any repairs or maintenance services to the equipment . if the equipment proves to be defective under normal use due to defective materials , design andor workmanship , we will at our option to either repair or replace the equipment and our decision is final
倘设备在一般正常使用下因物料、设计及或人为上出现错误而导致损毁，则吾等将选择应维修或重置该设备，而吾等之决定为最终意见。