The first filter core also includes a high pure copper zinc alloy layer arranged on the upper reach side of the active carbon layer.
该第一滤芯还包括设于活性炭层上游侧的高纯 铜锌合金层。
2
The results show that aluminium alloy foam has a high filter efficiency, low filter resis...
证明所研制的泡沫铝具有过滤效率高、过滤阻力小及渗透系数大的特点，其透流性能优良。
3
Filter medium adopts kinds of materials, such as inorganic fiber, cellulose fiber, resin-impregnated paper, Filter vessel is die-cast in aluminum alloy.