According to the study of source of minerals etc. the ore-bearing minerals are mainly derived from the laterite weathering of carbonate rock.
根据成矿物质来源等方面研究，认为含矿岩系的物源主要来自碳酸盐岩的红土风化壳。
The extent of ree enrichment and differentiation is affected by ree concentrations and distributions in the primary granitoid rocks, weathering degree, etc.
REE在风化壳中富集分异受风化壳发育程度、花岗岩原岩中ree含量及其分布和分配的影响。
Objects will support dynamic animations, such as weathering, snow build-up, etc. depending on external conditions.
物体将支持动态动画，比如天气、雪的形成等等，基于外部环境。
Production steel grade: carbon structure steel, low alloy high intensity structure steel, steel for bridge, weathering steel, etc.
生产钢种：碳素结构钢、低合金高强度结构钢、桥梁用钢、耐候钢等。
Production steel grade: carbon structure steel, low alloy high intensity structure steel, steel for bridge, weathering steel, etc.
生产钢种：碳素结构钢、低合金高强度结构钢、桥梁用钢、耐候钢等。
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