邻近营业线施工分为A、B、C三类。电气化铁路接触网支柱外侧2米（接触网支柱外侧附加悬挂外2米，有下锚拉线地段时在下锚拉线外2米）、非电气化铁路信号机立柱外侧（）米范围称为营业线设备安全限界。

For the AMAT in 1998, the Sales are expected to reach（）.

A．200,000
B．250,000
C．600,000

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A．It was well planned.B．It was completed in a short time.C．It was led by military commanders.D．It helped him get elected to public office. 点击查看答案