“接地”造句
布莱尔颇为直
接地说：“这是我的房子。”
"This is my house," Blair said rather pointedly.
在接收装置上,他也采用了高架天线和
接地装置.
On the receiving instrument he also used an elevated aerial and earth.
浮置电势Vf通常只低于
接地电位几伏.
The floating potential, Vf is usually only a few volts below ground.