Xov xwm

Micromotors hauv cov chaw kho hniav tau tsim kho sai sai thaum xyoo 1980 thiab yog hom tshiab ntawm micromotors raws li cov nyhuv piezoelectric thiab ultrasonic kev co.

Nrog cov kev txhim kho txuas ntxiv ntawm domestic science thiab thev naus laus zis, kev lag luam kev lag luam muaj ntau dua thiab ntau dua kev xav tau rau micromotors hauv cov c...