求翻译：吴淑贞等选择新的原材料和新的制备工艺合成了MDI型PU体育跑道铺设材料，对材料物性分析后表明，MDI型PU体育场地铺设材料无毒、无刺激性气味且符合环保要求，是TDI型Pu体育场地铺设材料的理想替代品。是什么意思？

Wu Shu and select the new raw materials and preparation process, such as synthetic mdi type pu sports runway paving materials and material properties analysis mdi type pu Stadium laying materials, non-toxic, odorless, and meets the requirements of environmental protection is tdi type pu stadium to t

Wu Shu-chen, and select the new raw materials and new production techniques in the synthesis of MDI PU sports track-laying material, the material properties of MDI analysis showed that PU sports surfacing materials in non-toxic, non-irritating odor and in compliance with environmental requirements,

Wu Shu loyal and so on chose the new raw material and the new preparation craft synthesizes MDI the PU sports runway to lay down the material, indicated after the material nature analysis, MDI the PU sports location laid down the material non-toxic, the non-irritant smell also conforms to the enviro

Wu Shuzhen, select raw materials and new preparation technology of synthesis of new MDI type PU athletic track laying materials, on the physical properties of materials analysis suggests that MDI-Stadium of PU paving material is non-toxic, non-irritant smell and comply with environmental requirement

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