如使用不合格的代用品，会导致机械设备事故，直至损坏设备机件，影响安装生产。
If use unqualified substitute, can lead to mechanical equipment accident, until the damaged equipment parts, affect production installation.
材料和设备的代用应遵从合同的规定。
Substitution of the materials or equipment shall be subject to the provisions of the Contract.
EPE和铝箔或镀铝薄膜的复合制品具有优异的反红外线紫外线能力，是一些化工设备冷藏库和野营器材汽车遮阳的代用品。
EPE and aluminum or aluminum film composite products with excellent anti ultraviolet ability, is some infrared chemical equipment cold storage and camping equipment auto shading substitute.
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