采用集中参数处理方法，把直流蒸汽发生器二次侧按流体相变分区，建立了动态热工水力模型。
The dynamic thermal hydraulic model of Once Through Steam Generator (OTSG) is developed, Which characterized by lumped parameters with moving boundary.
如果你在前进时按下按钮，它会侧翻。
If you press the button while moving forward, it will cartwheel.
只需轻轻一按，该产品便会由蓝牙扬声器自动转变为200瓦功率立式音乐播放器。 其两侧的高频扬声器排列紧凑，使得播放出的音乐更为洪亮清晰。
This dock transforms from Bluetooth speakerphone to floor-thumping 200-watt music player with the press of a button.
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