穿着安全服......................................................................................　15

确保通风良好...................................................................................　16

正确储存.........................................................................................　16

让周围的人了解你的工作　....................................................................................16

饭前洗手.........................................................................................　16

远离有害元素...................................................................................　16

铅　...................................................................................................................17

水银　................................................................................................................17

镉　...................................................................................................................18

购买带有　RoHS 标志的安全产品 .........................................................................18

电击...............................................................................................　18

AC　和 DC 的区别 ..............................................................................................18

使用可充电电池和专用变压器　..............................................................................19

使用空气开关和带漏电保护的插座　.......................................................................19

保留地线　..........................................................................................................20

不带电工作　......................................................................................................20

不要制作危险的机器人........................................................................　20

控制好电机尺寸................................................................................　21

照明...............................................................................................　21

注意休息做好计划.............................................................................　21

第　4 章 数字万用表...........................................................　22

**功能.........................................................................................　22

数字显示　..........................................................................................................22

位数　................................................................................................................23

DC　电压 ..........................................................................................................23

DC　电流 ..........................................................................................................23

电阻　................................................................................................................23

表笔或探针　......................................................................................................23

过载　/ 熔丝保护 .................................................................................................24

附加功能.........................................................................................　24

电容　................................................................................................................24

二极管　.............................................................................................................24

连通性　.............................................................................................................24

频率　................................................................................................................24

占空比　.............................................................................................................25

自动量程　..........................................................................................................25

自动关机　..........................................................................................................25

晶体管　.............................................................................................................25

双显　................................................................................................................26

*大值　.............................................................................................................26

*小值　.............................................................................................................26

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