带盖及开关拉手水箱
cistern with cover and switch handle
反向电流自动断开开关
automatic reverse current cutout
灭磁开关开断弧压
arc voltage for opening of field breaker
波戈留波夫递推关系
Bogoliubov recursion formula
带有百叶窗的铝推拉窗
aluminium sliding window with louver
递推关系
recurrence formulas
recursion formulas
Recursion relation
recursive relation
recurrence relation
the relationship of recursion
Recurrence process
recurrence relations
recurrence relatio
recursion reletions
recurrence
recusive relation
递推关系矩阵
recurrence relation matrix
防火钢推拉门
fire-resisting steel sliding door