丝印M74ALS151P M74ALS138P M74ALS133P M74ALS11AP M74ALS10AP

丝印M74ALS21P M74ALS11P M74ALS10P M74ALS09P M74ALS08P

贴插74HC4538P M7 M74ALS10P 1N4007 PS7141-2A N

贴插M74ALS131P M74ALS10AP M74ALS573P M74ALS20AP N