From falls screw jack's thread non-self-locking action, is loaded with the brake.
自降螺旋千斤顶的螺纹无自锁作用，装有制动器。
With the bistability and self locking of the silicon photo negative resistance devices, these non linear photoisolators exhibit response maintaining function for the input signal.
由于光电负阻器件具有双稳和自锁特性，这种非线性光耦合器具有响应保持功能。
Our products include all kinds of fasteners, such as bolts, screws, studs, self-locking screws, self-locking nuts, rivets, pins and washers with more than 300 standards, and non-standard parts.
目前企业可生产的紧固件产品种类包括各类螺栓、螺钉、螺柱、自锁螺钉、自锁螺母、铆钉、销、垫圈以及其他专用件和异型件，涉及300多个标准。
Our products include all kinds of fasteners, such as bolts, screws, studs, self-locking screws, self-locking nuts, rivets, pins and washers with more than 300 standards, and non-standard parts.
目前企业可生产的紧固件产品种类包括各类螺栓、螺钉、螺柱、自锁螺钉、自锁螺母、铆钉、销、垫圈以及其他专用件和异型件，涉及300多个标准。
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