graded sizes 中文意思是什麼
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2 identify the soil as a poorly graded gravel, gp, or as a poorly graded, sand, sp, if it consists predominantly of one size ( uniformly graded ), or it has a wide range of sizes with some intermediate sizes obviously missing ( gap or skip graded )
2如果土包含一個主要的粒徑（均勻的級配） ，或者有一個很寬的，一些中間粒徑明顯缺失的范圍（間隙或跳躍的級配）
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