The utility model realizes the self-lock of the screw thread, or improves the self-lock performance of the screw thread.
本实用新型实现了螺纹自锁,或改善了螺纹的自锁性能。
Electrical life: 50000primary Characteristic: cross current single velocity switch, which contain self-lock, or no self-lock.
电器寿命:50000主要特征:交流单速开关,带自锁或无自锁。
Electrical life: 50000primary Characteristic: cross current single velocity switch, which contain self-lock, or no self-lock.
电器寿命:50000主要特征:交流单速开关,带自锁或无自锁。
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