Normally I couldn't do that Vdp because this term would have p dV plus V dp, but we've specified the pressure is constant, so the dp part is zero.
一般情况下我不能这么写,因为这一项会包含pdV和，但是我们已经假定压强为常数，所以包含dp的部分等于零。
Video station and video display from VDP system are also can be control center of your home automation system, which means no additional devices need to be added.
对讲系统中的视频站和视频显示器，完全可以作为智能家居功能的控制设备来使用，无需添置新的智能家居控制器材。
The products in different combinations, from only VDP function, to home automation function and wiring devices, are suitable for all decoration conditions and tastes.
各类型产品的组合，从对讲功能，到智能家居，开关插座，完全适合各类装修的风格和品位。
The products in different combinations, from only VDP function, to home automation function and wiring devices, are suitable for all decoration conditions and tastes.
各类型产品的组合，从对讲功能，到智能家居，开关插座，完全适合各类装修的风格和品位。
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