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Fe is an essential mineral nutrient for plant growth and development.
铁是植物必需的一种微量营养元素.
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The solutions must contain the correct balance essential mineral requirements.
培溶液够均衡供应植需矿质元素.
The aircraft used nylon or stainless steel plate, is an essential mineral granular election equipment.
高频筛该机采用尼龙或不锈钢筛板, 是颗粒状矿物的必选设备.
英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。