某同学在做三相负载角接实验时,发现AX组灯正常亮度,BY组,CZ组灯亮度变暗,请判断是何故障点?? L1火线断路|L3火线断路|L2火线断路|AX之间有断路
举一反三
- 下列选项中,设置字体为微软雅黑的写法,正确的是() A: font-style:"微软雅黑"; B: font-family:"微软雅黑"; C: font-style: Microsoft YaHei; D: font-family:Microsoft YaHei;
- 2.使用font-family设置字体时,以下书写正确的是() A: body{font-family:Arial,"微软雅黑","宋体","黑体";} B: body{font-family:"微软雅黑","宋体","黑体",Arial;} C: body{font-family:"TimesNewRoman";} D: body{font-family:TimesNewRoman;}
- vlist = list(range(5))for e in vlist:print(e,end=",")上面代码的输出结果是( ) A: 0;1;2;3;4; B: 0 1 2 3 4 C: 0,1,2,3,4, D: [0, 1, 2, 3, 4]
- <span style="color: rgb(76, 76, 76); font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px;">管理者有时需对企业某部门的经营活动方向进行选择,可采用______和 ______两种方法。</span>
- <span style="color: rgb(76, 76, 76); font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px;">如果决策涉及的问题对组织来说非常紧迫,则这样的决策被称为______决策。</span>