针对磁粉检测中磁膏水悬液浓度测量存在错误记录的现象,讨论了磁膏水悬液浓度的类别以及浓度测量方法。 Aiming at the phenomenon that there is a wrong record in the measurement of the concentration of the aqueous suspension of magnetic paste in the magnetic particle testing, the types of concentration of the aqueous suspension of magnetic paste and the measuring method of concentration are discussed.