... low melting point metal 低熔点金属 low phosphorus iron 低磷生铁 low red heat 暗红热温度;加热到暗红色 ...
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low phosphorus pig iron 低磷生铁
Low phosphorus low iron ferroalloy 经营范围
·2,447,543篇论文数据，部分数据来源于NoteExpress
Most plants in the temperate zone have relatively high content in phosphorus while the calcium content is relatively low. Some plants have an abundant collection of iron and manganese.
暖温带和温带大多数植物磷含量相对较高，而钙含量较低，部分植物有聚铁和聚锰现象。
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