题目内容

下列属于污泥机械脱水方法的是()。

A. 真空吸滤法
B. 压滤法
C. 滚压带法
D. 离心法

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消化池的构造主要包括()。

A. 污泥的投配、排泥及溢流系统
B. 沼气排出、收集与贮气设备
C. 搅拌设备
D. 加温设备

污泥的最终处置方法包括()。

A. 作为肥料施用于农田、森林、草地或沙漠改良
B. 脱水
C. 作为能源或建材
D. 焚烧

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绘画中的色彩的三原色是哪三种？计算机图形图像中的三原色是哪三种？