![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
手工喷漆室工艺参数风速、温度及湿度最佳是()。
A.0.5m/s,20~25℃,70%
B.0.3m/s,20~25℃,70%
C.0.5m/s,18~25℃,20%
D.0.5m/s,18~25℃,50%
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.0.5m/s,20~25℃,70%
B.0.3m/s,20~25℃,70%
C.0.5m/s,18~25℃,20%
D.0.5m/s,18~25℃,50%
次声波探测器,检测的次声波来源于()。
A.入侵者走动扰动空气
B.室内外温度差
C.开门压缩室内空气
D.室内外湿度差