A vacuum absorbing device absorbs the smoothplane of the extracting device and the socket connector is positioned on the circuit board, thus achieving the goal of automatic assembling.
利用真空吸取装置吸取提取装置的光滑平面以将插座连接器安装至电路板，达到自动安装的目的。
2
The plane made a smooth landing.
飞机平稳降落。
《牛津词典》
3
The ways to use a plane: Check the plane firstly. Then plane the board with it. Make the board smooth and flat.