The utility model discloses a tool for a smoker to control the dust release, composed of a paper smoke-filtering bag and a smoke guiding device controlling the flow direction of the smoke emission.
一种吸烟者用以控制其烟尘释放的器具，由纸质滤烟袋和控制烟气排放流向的导烟装置所组成。
2
The carburetor with step electronic control is a device that can save fuel and improve emission in motorcycle.
步进式电控化油器是一种有较强适应性、长寿命的用于摩托车节油、降低排放的一种装置。
3
The display device possessed high displaying brightness, better grid control-ability and field emission characteristics.