The rotating speed of antenna is low when the antenna is driven by lead screw.
传动链末级采用丝杠传动的天线转速较低。
I'm considering the apron and lead screw mechanism a separate section.
正如我在页面顶部的说，我考虑到停机坪和丝杠机制，一个单独的章节。
To fore and after center, adopt electric engine lead screw secondary controller;
前后对中采用电机丝杆副调节；
To fore and after center, adopt electric engine lead screw secondary controller;
前后对中采用电机丝杆副调节；
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