保水是什么意思_保水用英语怎么说_保水的翻译_保水翻译成_保水的中文意思_保水怎么读,保水的读音,保水的用法,保水的例句

Polyethylene is an excellent barrier to water vapor.

聚乙烯保水蒸汽的性能良好.

辞典例句

Swamp vegetation represent the early stages of a HYDROSERE or HALOSERE.

例如湖区边界、河流漫滩或者是干旱地区具有保水粘土的地段.

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Then please cover W. P . A . and TPND for this transaction.

那么,请为这批货物保水 渍 险和盗窃、提货不着险.

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Repeat water absorbing ability of SAPs was a important index of endurance.

保水剂在土壤中的吸水倍率,是衡量保水剂持水能力的一项重要指标.

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As usual, the goods have been insured on WA terms.

按惯常做法, 货物己保水渍险.

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A: Then please cover W. P . A . and TPND for this transaction.

那么,请为这批货物保水 渍 险和偷窃、提货不着险.

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First , ensure the electricty supply, and repair the damaged networks.

第三, 要保水的供应.加强管网的维护和维修.

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This study water keeping effects of different water retaining agents.

研究不同保水剂对冷冻猪肉的保水效果,减少经济损失.

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We generally insure W . P . A . on C . I. F . sales.

按到岸价交易,我们一般保水 渍 险.

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We generally insure . P . A . on . I. F . sales.

按到岸价交易,我们一样平常保水 渍 险.

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Effects of rice straw mulch and water - retaining agent on soil properties and crop yield.

与保水剂和稻草覆盖对作物和土壤的效应>>相似的文献.

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Both polymer powders with differents addition amount have great influence on its water reduction and retention.

两种聚合物干粉的掺量对其减水率和保水率有着显著影响.

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The property of prevent frostbite of fruit trees was increased by spraying the coating.

各种浓度的涂膜均可提高果树枝条的保水功能.

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Water - preserved mining is one of the important contents in the green mining technological system.

既要防治煤矿突水灾害又要保护矿区水资源,实现保水采煤是绿色开采技术的核心内容之一.

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We should applying different density of the membrane according to different crop in agvicaltural prodution.

生产上应针对不同作物采用不同浓度的成膜保水剂.

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