耳机组件和前置摄像头也需要占用空间。
The earphone component and the front camera also take up space.
通过模型试验研究，肯定了拉沙洞前置的合理性；确定了水库调度的具体方案；并由右岸拉沙底孔的拉沙效果提出加设机组的构想。
Through the experimental research, the rationality of setting up the sediment flushing tunnel before the intake is ascertained, and a detail scheme for the reservoir control is made up.
用于火力发电厂机组锅炉前置泵、锅炉给水泵和锅炉循环泵的密封。
Applied for thermal power station's boiler feed water booster pumps, boiler feed water pumps and boiler circulating pumps.
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