香蕉视频在线精品视频

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              Pneumatic lift door and laser protection device

              Laser Parts advantage

              Laser protection devices are installed on both sides of the door, so that the door in the process of falling, if the human body strayed will immediately stop falling, while the alarm light on, thus solving the safety problem of the user.

              Laser protection devices are installed on both sides of the door, so that the door in the process of falling, if the human body strayed will immediately stop falling, while the alarm light on, thus solving the safety problem of the user.

              香蕉视频在线精品视频
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