1、

They regularly failed to replace the HP rotor-drive cover O-rings, or to conduct idle engine runs, both specifically required by the aircraft maintenance manual.

他们经常会不更换高压转子驱动盖子的O型封圈或不试车,而这两者都是维护手册规定必需做的。

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2、

equally important, they pointed to an unusual dishpan-shaped cover over the tail rotor, perhaps designed to make the aircraft quieter.

同样不可忽视的是,他们指出尾部螺旋桨上有一个独特的盘状盖子,可能是为了降低飞机的噪音。

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3、

Parts and components products include: chassis, cover plate, stamped steel , brush components, electrophoresis rotor, etc.

零部件产品有: 机壳 、 盖板、冲片 、 电刷组件 、 电泳转子等.

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4、

The front end cover and the rear end cover are fixed by screws and rabbets. Meanwhile, the rotor assembly is fixed.

前、后端盖利用螺钉及止口固定,同时将转子总成固定。

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