An electronic sphygmomanometer was repaired and tested as normal with a cotton ball electric1938 4 years ago Play Download
This electronic sphygmomanometer found two faults and the whole machine was disassembled electric1938 4 years ago Play Download
The internal circuit of wrist sphygmomanometer is not complicated, and the functions of components electric1938 3 years ago Play Download
拆解血壓計，既然壞了就打開看看，打氣泵可拿來利用。Disassemble the sphygmomanometer and open it to see if it is broken. 網路小國民 6 years ago Play Download
