water string मीनिंग इन हिंदी

1 , flexible water string is generally applied to the structure with requirement of vibration or water proof in the position , through which tube goes
2 , flexible water string is generally applied to the structure with general requirement in the position , through which tube goes . 3 , the wall that tube goes through shall be concrete , the total range of poured concrete shall be 200mm more than diameter of external ring