国产高清精品王|精品综合久久久久久久到那里|久青草视频在线观看|九九自偷拍视频久久久VIP福利

1. The patented reducer-type operating mechanism has a simple structure, high precision and reliable operation.

2. The mechanism uses the forward and reverse rotation function of the motor and the reducer transmission to ensure the accurate output of the opening and closing position and angle. The mechanism has both manual and electric functions.

3. It can achieve reliable and safe operation in multiple working conditions from -40℃ to 40℃ and 4000 meters above sea level.