P:2011-09-07 11:59:14
1
请教下,这个是什么测试?如何做?
4.3 shield impedance and current capacity, for each 3 meter section of cable,the shield must be capable of withstanding 30 amps of current for 2 minutes with the impedance not exceeding 0.10 ohms.
cable for electrical surveys - 电测用电缆 (0) 投诉