protective material meaning in Chinese

保护剂
防护物质, 防护材料

Preparing the new environment protective material - sintered glass - ceramics
结晶化玻璃的制备
Research on new compound corrosion and wear protective material
新型复合防腐耐磨材料的研究
Educational pamphlets and gift packs of protective materials were distributed
同时院舍获派发教育小册子及保护物品礼物包。
Greater protection means more expense and more massive protective materials
更完善的保护通常也代表更大的花费和更厚实的防护材料。
Standard for safety evaluation of equipment and protective materials in drinking water system
生活饮用水输配水设备及防护材料的安全性评价标准

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