只需按一个按钮，15秒钟的时间，翅膀就会自动地折叠起来，动力就会从螺旋桨推进器切换到后轮。
At the touch of a button it takes just 15 seconds for the wings to fold up automatically and the power to be re-routed from the propeller to the rear wheels.
取而代之的是，它能自动调整使每个螺旋桨以稍有差异的速度运转。
Instead, slight speed variations on each propeller perform that function automatically.
其部分原因是涡轮螺旋桨飞机结构坚固，部分原因是“空中拖拉机”公司生产的油箱有多层橡胶密封，一旦子弹射穿油箱，橡胶层就会自动封闭住弹孔，减缓燃油的渗漏。
In part this is because of the turboprops' robust design, and in part because Air Tractor's fuel tanks have rubber membranes which close around bullet holes to slow leaks.
机械式螺旋桨动力仪已不能满足船模试验自动化测量要求。
The mechanical type propeller dynamometer is unable to satisfy the requirements of the automatic measurement for the ship model tests.
同时，用参数化程序实现了船用螺旋桨的自动绘制。在论文的最后完成了船用螺旋桨计算机立体模型的建立和动画效果的处理。
At the same time the thesis brings the automatic drawing of propellers to success and builds the three-dimension model of propellers.
同时，用参数化程序实现了船用螺旋桨的自动绘制。在论文的最后完成了船用螺旋桨计算机立体模型的建立和动画效果的处理。
At the same time the thesis brings the automatic drawing of propellers to success and builds the three-dimension model of propellers.
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