self lock device 锁紧装置
Electrical life:50000Primary Characteristic:It is stepless speed regulation of cross current switch, which have self-lock and positive and negative rotate device.
电器寿命:50000主要特征:交流无级调速开关,带自锁和正反转。
Electrical life: 50000primary Characteristic: it is stepless speed regulation of cross current switch, which have self-lock and positive and negative device.
电器寿命:50000主要特征:交流无级调速开关,具自锁和正反装置。
The side of the safety door is provided with the magnetic self-locking device which consists of a lock box and a small magnet.
安全门侧边装有磁力自锁器,自锁器由锁盒和小磁铁组成。
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