Journal of Materials Protection 材料保护
Spray polyurea for materials protection 喷涂聚脲防护材料
Materials Protection Publishing House 材料保护
environmental protection materials 环保材料 ; 环保
Surface Protection Materials 表面保护材料
Corrosion and Protection of Materials 材料的腐蚀与防护
Environmental protection building materials 环保型建材
materials failure and protection 材料失效与保护
protection materials 防护材料
"These findings are important because they provide concrete evidence that these materials are harmful and protection must be given to workers," he said.
他提到:“这些发现非常重要,因为它们提供了具体的证据来证明这些材料是有害的,工人必须给予相应的保护措施”。
"These findings are important because they provide concrete evidence that these materials are harmful and protection must be given to workers, " he said.
他提到:“这些发现非常重要,因为它们提供了具体的证据来证明这些材料是有害的,工人必须给予相应的保护措施”。
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