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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