工艺卡片规定PAM加药浓度( )PAC加药浓度( ) A.1-2ppmB.1-4ppmC.30-50ppmD.50-100ppm
工艺卡片规定PAM加药浓度( )PAC加药浓度( )
A.1-2ppm
B.1-4ppm
C.30-50ppm
D.50-100ppm
相关考题:
可通过调节加药泵的活塞冲程或改变计量箱中磷酸盐质量份数来控制锅水中的浓度。A对B错
A.1-2ppm
B.1-4ppm
C.30-50ppm
D.50-100ppm