explosion-proof variable frequency variable speed
function of complex variable complex variable
stator variable voltage variable speed
variable diameter and variable pitch
Variable Frequency Variable Speed
variable frequency variable speed system
Variable Voltage Variable Frequency
[Ho2(Ala)4(H2O)8]Cl6
氯化钬丙氨酸配合物(犤Ho2(Ala)4(H2O)8犦Cl6)
4-chloro-7-nitrobenzofurazan(NBD-Cl)