Precast concrete products. test method for glass - fibre reinforced cement. cyclic weathering type test.
预制混凝土产品。玻璃纤维增强水泥的试验方法。耐循环气候环境试验。
Mn ores of linhou Mn Mine belong to weathering-type Mn oxide, shaped like earth and powder, with small specific gravity and large moisture content.
福建省麟厚锰矿属风化型氧化锰矿床，多呈土状、粉状， 密度小，含水率高。
Mn ores of linhou Mn Mine belong to weathering-type Mn oxide, shaped like earth and powder, with small specific gravity and large moisture content.
福建省麟厚锰矿属风化型氧化锰矿床，多呈土状、粉状， 密度小，含水率高。
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