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This post was last edited by ray1513 on 2011-10-21 at 15:21. When the line affected by an accident is damaged, it is necessary to measure the quality of the line within ____ M before and after the accident site. A. 30 B. 50 C. 80 D. 100 Note: & p# L' h8 V) f+ K0 X# M" M 1) Participants are rewarded, and more explanations are encouraged. 6 q- @4 \5 P9 J% g/ a. }+ `5 T/ x. _% ^3 m0 E. G 2) Please hide your replies; the method for doing this is: http://bbs.hcbbs.com/thread-492556-1-1.html. Do not edit the replies after posting them. 1 N" m% g7 M! ^8 i! ^ 3) The answer will be visible after responding) C1 z; `# \' D3 x The answer is D
This post was last edited and replied to by ray1513 on 2011-10-21 at 15:21. 1# ray1513 B
This post was last edited by ray1513 on 2011-10-21 15:21: D. 100
This post was last edited and replied to by ray1513 on 2011-10-21 at 15:22. 1# ray1513 100M
This post was last edited by ray1513 on 2011-10-21 at 15:22. When the line affected by an accident is damaged, it is necessary to measure the quality of the line _100___ meters before and after the accident site
This post was last edited by ray1513 on 2011-10-21 15:22: D. 100
This post was last edited by ray1513 on 2011-10-21 at 15:23: 100 meters
This post was last edited and replied to by ray1513 on 2011-10-21 at 15:23. 1# ray1513 D. 100
This post was last edited by ray1513 on 2011-10-21 15:23 D 100
This post was last edited by ray1513 on 2011-10-21 at 15:23 D
This post was last edited by ray1513 on 2011-10-21 at 15:24: 100 meters