如图所示农�在精选谷种时常用一种叫“风车 的农具进行分选．在同一风力作用下谷种和瘪谷谷粒都从洞口水平飞出结果谷种和瘪谷落地点不同自然 Sketch Coloring Page

如图所示农�在精选谷种时常用一种叫“风车 的农具进行分选．在同一风力作用下谷种和瘪谷谷粒都从洞口水平飞出结果谷种和瘪谷落地点不同自然 Template

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tomski如图所示农�在精选谷种时常用一种叫“风车 的农具进行分选．在同一风力作用下谷种和瘪谷谷粒都从洞口水平飞出结果谷种和瘪谷落地点不同自然 coloring

农�在精选谷种时，常用一种叫“风车”的农具进行分选．在同一风力作用下，谷种和瘪谷空壳都从洞口水平飞出，结果谷种和瘪谷落地点不同，自然分开 sketch template

在谷物收割和脱粒过程中小石子草�等杂物很容易与谷物混在一起另外谷粒中也有瘪粒为了将它们分离农�常用一种叫“风谷 的农具即扬场机进行 sketch template

在谷物收割和脱粒过程中小石子草�等杂物很容易与谷物混在一起另外谷粒中也有瘪粒为了将它们分离农�常用一种叫“风谷 的农具即扬场机进行 sketch template

如图所示农�在精选谷种时常用一种叫“风车 的农具进行分选．在同一风力作用下谷种和瘪谷谷粒都从洞口水平飞出结果谷种和瘪谷落地点不同自然 sketch template

如图农�在精选谷种时常用一种叫“风车 的农具进行分选． 在同一风力作用下谷种和瘪谷谷粒都从洞口水平飞出结果谷种和瘪谷落地点不同自然 sketch template

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农�在精选谷种时常用一种叫“风车 的农具进行分选在同一风力作用下谷种和瘪谷谷粒都从洞口水平飞出结果谷种和瘪谷落地点不同自然分开如图 sketch template

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