cleaning cartridge

英 美
  • 净化器
  • cartridge n.胶卷盒;录音带盒;弹药筒;墨水筒;笔芯
  • cleaning n.打扫;清洁动词clean的现在分词.
    1. The water quality in this district is not good, so the water must be purified with cleaning cartridges.
      这地区饮用水的水质不好,全靠净化器净化。