Ryxlitgich baroviy zanjirning bobiqqa o'rnatiladi va temir yo'l yo'nalishidagi shag'al ballastini tozalash mashinasi orqali tozalash orqali tegishli ta'mirlash ishlari o'tkazilganda shag'al ballastini yumshatish uchun mo'ljallangan.
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