ccna实验,路由部分,都是自己敲的,特意拿出来给大家分享一下,多多光顾。Router>en Router#conf t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#no ip domain-lookup Router(config)#ho r1 r1(config)#line con 0 r1(config-line)#logg sy r1(config-line)#exec-t
IEC60664-3-2016低压系统内设备的绝缘配合第3部分用于污染防护的涂层、封装或模塑的使用EC60664-3:2016|EC2016
Figure 1- Scratch-resistance test for protecting layers
Figure C. 1-Configuration of the test specimen
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Figure C 2-Configuration of lands and adjacent conductors
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Table 1- Min