问题描述:
[单选]
how to choose low voltage tester’s points?怎样选择低压测试仪的点数?a. circuit numbers*2回路数*2b. circuit numbers*120%回路数*120%c. circuit numbers*2+presence points*2+special points*2回路数*2+存在测试点*2+特殊功能点*2d.( circuit numbers*2+presence points*2+special points*2)*120%(回路数*2+存在测试点*2+特殊功能点*2)*120%
A.A
B.B
C.C
D.D
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上一篇:What are the basic test options for electrical testing?电测试的基本测试项是什么?a.open and short test 开路测试和短路测试 b.open test 开路测试c.presence test 存在测试d.isolation test 绝缘测试
下一篇:"Which one can not be detected by electrical test?电测试无法检测的是"a. Cross-wire 导线交叉b. Second Lock 二次锁片c. Insulation Fall绝缘层脱落"d. Short-wire 导线短路
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