生产单位排放的废水要遵循清污分流的原则，酸、碱废水（）排放。
A、直接
B、禁止
C、稀释
D、中和合格
参考答案：D
避蕾针顶端高出桅顶或桅顶上的电气设备的距离应不小于（）。
A.200mm
B.300mm
C.400mm
Identifying which quality standards are relevant to the project and determining how to satisfy them should be addressed during ______ .
A．the conceptual phase
B．the planning process
C．project implementation
D．risk identification
