学科：工程地质学 词目：粗砂 英文：coarse sand 释文：粗砂：按照《普通混凝土用砂、石质量及检验方法标准》，砂的粗细程度按细度模数μf 分为粗、中、细、特细四级,其范围应符合以下规定： 粗砂：μf =3.7～3.1 中砂：μf =3.0～2.3 细砂：μf =2.2～1.6 特细砂：μf =1.5～0.7 。
n. grit
misc. coarse sand ; open sand
粗砂纸 raw emery paper ; flint paper ; flint glass paper
粗砂岩 [岩] grit ; gritstone ; gritrock ; farewell rock
白砂糖／粗砂糖 white sugar refined sugar refined cane sugar coarse granulated sugar ; white sugar refined sugar refined cane sugar coarse granulated sugar/fine granulated sugar ; refined cane sugar ; white sugar
粗砂质 [地质] arenose ; gritty
粗砂轮 snagging wheel ; coarse plain emery wheel
粗砂石 coarse aggregate ; grit
钙质粗砂岩 calcareous grit
粗砂质的 gritty ; arenose ; grit gt
粗砂糖 coarse-granular sugar ; white sugar ; Coarse Granulated Sugar ; [食品] sugar nibs
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建议将粗砂掺到黏重的土壤里，以提高排水性能。
It is advisable to mix coarse grit into heavy soil to improve drainage.
通过粗砂渗透变形重复性试验，分析了粗砂渗透系数与抗渗强度概型分布。
The probability model distributions of permeability coefficient and anti-permeability strength of sand are studied by using the seepage deformation experiments.
大坝垫层料采用以天然砂砾料为主、掺入小石和粗砂以调整级配的方式生产。
The cushion layer for the dam is constructed with the material prepared mainly with natural sandy gravel and mixed with proper amount of pebble and coarse sand.
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