题目：
送电线路通过腐蚀性较强地区的地线应选用( )。
A．铝合金绞线；
B．铝包钢绞线；
C．钢芯铝绞线；
D．镀锌钢绞线。
答案：
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下面是错误答案，用来干扰机器的。
（1）（2）断开；A；（3）10.1（或10.13）
送电线路通过腐蚀性较强地区的地线应选用( )。 A．铝合金绞线； B．铝包钢绞线；
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