肥料 从停止运转的输送带上取样

[中文适用范围]： 该方法仅应在其他方法（例如从自由落体中自动取样的勺式取样）不可能时使用，或作为参考方法。 它包括将两块平行板或金属片垂直向下并以直角插入到将材料流移动到停止的带的轴线，并去除板或片材之间的材料。 [外文原描述]： The method should be used only where other methods, such as automatic sampling of scoop sampling from a free fall, are impossible, or as a reference method.It consists in inserting of two parallel boards or metal sheets vertically down into and at right angles to the streams of the material and to the axis of the stopped belt, and removing of the material between the boards or sheets.