挖掘机不论是作业或走行时，都不得靠近架空输电线路。如必须在高低压架空线路附近工作或通过时，机械与架空线路的安全距离必须符合相关规定，如果挖掘机要在220KV电压下工作时，垂直距离的安全距离是（）米。
A、25A
暂无解析
ThetermCFRshouldbefollowedby_____.
Shonaneedstodofurtherresearchinorderto____.
_____employment,youshouldfirstsitdownandwriteoutalistofjobsyoufeelqualifiedtoperformandinterestedin.
Wehavethreeimportantpartsofeducationreading,writingandmathematics.Somepeoplethinkeverychildwillbenefitfromthefourthskilladdedtothelist:computerskills.Doyouagreeordisagree?
Whatisnotthemeetingprocess?
