The copyright of this work belongs to 153****3651. No use is allowed without explicit permission from owner.
New user?Create an account
Log In Reset your password.Account existed?Log In
Read and agree to the User Agreement Terms of Use.
Please enter your email to reset your password
The concept is quite good, but I would like to ask, that is, how to supplement nucleic acid cotton swabs without manual intervention, and whether the stock of cotton swabs inside the mechanical arm is a little small.