The distribution characteristics of the groundwater and its relationship with replenishment and discharge of surface water are closely relevant to impermeability of reservoir.

而地下水的分布特征及其與地表水的補給97人操人人插人人搞、排泄關系對水庫的不透水性密切相關国产精品久久无码AV片。

DETERMINATION OF IMPERMEABILITY OF LINEN CLOTH FOR COVERS,TENTS AND EQUIPMENT.

織物試驗，蓬布和設備用亞麻織物不透水性的測定人人操人人爽超碰。

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This paper discussed the influences of different cement, Inorganic Filler and the defoaming agent on the tensile strength and elongation at break of coating film;The influence of various of polymer-cement ratio (mass ratio of pure polymer to cement) and coating times on the tensile strength and elongation at break of coating film were researched;This paper also discussed the water Resistant Performance, watertightnessand the adhesion strength of wet subbase of coating film.

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imperforate Foraminifera：無孔質有孔蟲類

無孔質 imperforate | 無孔質有孔蟲類 Imperforate Foraminifera | 不透水性 impermeability

impermanent：非永久的,暫時的

不完整[性],缺陷,缺點 imperfection | 非永久的,暫時的 impermanent | 不滲透性,不透水性,防水性 impermeability

water impermeability：不透水性

Thermalplastic ...... 熱塑料 | Water impermeability ...... 不透水性 | Bituminous Mixture ...... 瀝青混合料

impervious layer：不透水層

impervious diaphragm 不透水性隔膜 | impervious layer 不透水層 | impervious soils 不透水土壤

water tightness：不透水性

波性 wave property | 不透水性 water tightness | 水瓶 water sample bottle

water tightness：水密性www.欧美鲁鲁色.com、不透水性

Water-reducing admixture 減水劑 | Water tightness 水密性免费A级毛片91无码A∨、不透水性 | Water content 用水量

unmodulated carrier：非調諧載波

"無人水下載具","unmanned vehicle" | "非調諧載波","unmodulated carrier" | "不透水性","unpermeability"

waterproofness：不透水性

waterproofing 防水 | waterproofness 不透水性 | watertight 防水的

watertightness：不透水性

防水潛水服 watertight suit | 不透水性 watertightness | 水頂油罐 water-top tank

Slow-Release Fertilizer：緩釋肥

緩釋肥(Slow release fertilizer)又稱緩效肥料恶亚洲黄色电影免费看、長效肥料,是指由于肥料的化學成分改變或表面包涂半透水性或不透水性物質,使其中的有效養(yǎng)分緩慢釋放. 施入土壤后,因其化合物或物理狀態(tài)的不同,要經(jīng)過短時間的轉化才能被土壤溶液溶解.