Эффективность затрат на повышение надёжности ВЛ:<img src="/close/store/examRes/%7BB3903ACE-BFF8-405C-8848-B9C95DD220A9%7D/9.bmp" /><img src="/close/store/examRes/%7BB3903ACE-BFF8-405C-8848-B9C95DD220A9%7D/7.bmp" /><img src="/close/store/examRes/%7BB3903ACE-BFF8-405C-8848-B9C95DD220A9%7D/8.bmp" /><img src="/close/store/examRes/%7BB3903ACE-BFF8-405C-8848-B9C95DD220A9%7D/6.bmp" /> <img src="/img/c7/ea938816c50fda4b2a475d53a8.bmp" />, <img src="/img/c3/5823cf3e442e7de2666a9a65c0.bmp" />, <img src="/img/37/04232a2a2cd578a2fb2386c444.bmp" />, <img src="/img/59/074f4d0dba4f9544fba66e3ded.bmp" />