Ramie cotton content 麻棉含量
Linen cotton content 麻棉含量
cotton fiber content 棉纤维含量
official trash content of cotton 棉花标准含杂率
cotton staple content 原棉短纤维含量
Irrigation with saltish and fresh alternatively can decrease soil salt content and increase cotton yield.
采用咸淡水交替灌溉可以降低土壤含盐量，增加棉花产量。
Most upland crops such as corn and cotton cannot survive in soils that are water-saturated because of the greatly reduced oxygen content.
大多数旱地作物，如玉米和棉花不能在被水饱和的土壤中存活，因为氧的含量大大减少了。
The relationship of cotton hollow yarn tensile strength against PVA content is tested, analyzed and discussed.
并对棉型中空纱的强力与PV A含量的关系进行了试验、分析与讨论。
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