【单选题】Do you live near the building ______color is yellow?
【简答题】Do you live near the building ______color is yellow?
【判断题】烟尘采样时,当采样速度大于烟道中的气流速度时,测定结果会偏低。
【单选题】Do you live near the building ____colour is yellow ?
【判断题】烟道气采样时,当采样速度大于烟气流速时,颗粒物采样浓度大于颗粒物的实际浓度。