Fast shutter door is a barrier for the rapid rise and fall of the barrier, the main role is to play a role in the rapid isolation to ensure that the air quality of the workshop clean grade.

快速卷帘门是快速升降的无障碍隔离门，主要作用是起快速隔离的作用从而保证车间空气质量无尘等级。

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Companies specializing in the production fast shutter doors, metal shutter doors, rapid accumulation of doors, industrial sliding doors, soft-opened the door, and other series.

公司专业生产快速卷帘门、金属卷帘门、快速堆积门、工业滑升门、平开软门等系列。

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Because of the camera's silent electronic shutter, you won't need to deal with a rapid-fire shutter sound either.

ENGADGET: Nikon 1 J1 review (video) Hands-on