LT - JC07 Yagona va ko'p nuqtali qulfning mustahkamligini tekshirgich
Yagona va ko'p nuqtali qulflash moslamasini armatura ustiga o'rnating, unga moment kuchini qo'llang va uning burilish kuchini tekshiring.
Yagona va ko'p nuqtali qulflash moslamasini armatura ustiga o'rnating, unga moment kuchini qo'llang va uning burilish kuchini tekshiring.