First the rat was placed in the closed cage. Next, on of the lights was turned on and then off. There was food for the rat only at this door.
首先，把大老鼠放到关着的鼠笼里，接着把其中一盏灯打开然后关上，只有在这扇门那里才有给老鼠的食物。
The free bird cries, "It cannot be, I fear the closed doors of the cage,".
自由的鸟叫唤说：“这是做不到的，我怕这笼子的紧闭的门。”
After he has closed the window, we open the cage door.
他关了窗之后，我们把笼门打开。
The control motors are asynchronous, squirrel cage-type, closed, with external ventilation.
本泵型使用电机采用带外部通风装置的闭式异步电机。
Series Y2 three-phase induction motor is defined as totally closed, squirrel cage motors with aluminum frame.
Y 2系列电机是广泛应用的全封闭，鼠笼型三相异步电机，为铝质外壳。
Series Y2 three-phase induction motor is defined as totally closed, squirrel cage motors with aluminum frame.
Y 2系列电机是广泛应用的全封闭，鼠笼型三相异步电机，为铝质外壳。
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