cylindrical pleated lube oil filter
double cylinder vertical solution filter
revolution-cylindrical-cylindrical-cylindrical RCC
revolution-cylindrical-cylindrical-cylindrical(RCCC) mechanism
active power filter filter
adaptive spatial-temporal-spectral filter(ASTS filter)
时间/空间/谱段的多维信息融合自适应滤波算法(ASTSfilter)
band elimination filter band suppression filter
band suppression filter band elimination filter
band-rejection filter (=band elimination filter)
composite filter beds biological aerated filter
DBGF filter (deep-bed glass fibre filter)
fritted glass filter sintered glass filter
Gauss Hermite filter-Kalman filter
Gaussian Sum Filter-Kalman Filter GSF-KF
maximally-flat filter (Butterworth filter)
Polynomial Predictive Filter-Kalman Filter PPF-KF
resistance-capacitance filter(RC filter)
revoling leaf type filter + vacuum filter