Wednesday, February 1, 2023
Thursday, September 15, 2022
Sunday, October 23, 2022
Thursday, September 15, 2022
Wednesday, February 1, 2023
Saturday, June 24, 2023
Saturday, August 12, 2023
Thursday, November 3, 2022
为实现尾桨叶同时等量地改变桨叶角,大多数尾桨毂采用了()。...
Monday, September 12, 2022
Saturday, May 18, 2024
Saturday, August 12, 2023
Tuesday, October 4, 2022
Thursday, March 16, 2023
高压闪烁型防撞灯在拆卸时,为了防止电击,必须断电()分钟以上。...
Friday, June 16, 2023
所谓国际标准大气,简称(),就是人为地规定一个不变的大气环境,作...
Thursday, September 15, 2022
Thursday, September 15, 2022
如果直升机上最简单形式的复合摇臂获得横向周期变距操纵输入时,仅小曲柄中的()个移动。...
Wednesday, May 17, 2023
Thursday, September 15, 2022
现在某些直升机上装有预调器(补偿器),其作用是保持()的恒定。...
Wednesday, February 1, 2023
周期变距杆在结构上必须保证纵向和横向操纵动作之间的()。...
Monday, September 12, 2022