surfacing requirements 中文意思是什麼
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Impact absorbing playground surfacing - safety requirements and test methods
沖擊減震游樂場表面修整.安全要求和試驗方法 -
Domestic kitchen equipment - performance requirements for durability of surface finish and adhesion of surfacing and edging materials - specification
家用廚房設備.表面光飾的耐久性及表面處理和邊飾材料附著力的性能要求規范
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