Can the hand board verify the effect of ultrasonic assembly?

The hand board can't verify the effect of ultrasonic assembly. Verify the ultrasonic assembly effect. You can verify it after the mold trial. If you can't change the mold, you can't verify the rationality of ultrasonic design and the effect of ultrasonic assembly in the scaffolding stage. However, the ultrasonic line size is usually reasonable, and there is generally no problem.