Nhom dinh hinh la mot trong nhung thiet bi duoc ung dung rong rai khap noi. Tu ung dung trong cac linh vuc xay dung cho cac cong trinh kien truc hien dai nho tinh nang tien loi, dat tham my cao, de su dung ma san pham dem lai.
https://sites.google.com/view/muanhomdinhhinh/
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