A vacuum adsorption nozzle is stuck on the center of the bottom surface of the metallic film of the flat plate, and a vacuum adsorption pipe is connected with an outlet of a vacuum adsorption device.
平板金属膜底面中央贴设有真空吸附管口，真空吸附管连接真空吸附装置的出口。
2
The door plate is made from the material of good plasticity and sock-adsorption buffer function.