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1材料(1)BK50VA控制变压器一个,(2)6A10型整流二极管4只,(3)4700μF50V电解电容器2只,(4)拔动开关2个,(5)旋转开关2个,(6)接线柱9个,(7)长20cm,宽15cm,厚1cm的干木板1块,(8)固定变压器用带螺帽的螺杆4个,长为1.2cm左右,(9)带插座的电源线1根,长1.5cm左右,(10)电路板连接用多股铜丝的电灯花线,长2m.
1 material (1) a BK50VA control transformer, (2) 6A10 type rectifier diode 4, (3) 4700μF50V electrolytic capacitor 2, (4) pull the switch 2, (5) rotary switch 2, Column 9, (7) a length of 20cm, width 15cm, thickness 1cm of a dry board, (8) fixed transformer with a screw nut 4, length of about 1.2cm, (9) with a power cord 1 Root, length 1.5cm or so, (10) circuit board with multi-strand copper wire flowers, long 2m.