?????????????????????????????????????????????????????????? ??? ???????????? ????????????????????????????????????????????????????????????????????????? ?????????????????????????????? ??????????????????????????????????????????? ????????????? ?????????? ?????????????????????????????????????????????? ????????????????????????????????? ????????
พามาดู ระบบซ่อมแซมโครงสร้างคอนกรีตที่ดี มีวิธีการอย่างไร
?????????????????????????????? ?????????????????????? ??????????????????????????????? ????????????????????????????????????????? ????????????????????? ??????????????????????????????????????????????????????????? (Repairing Concreate System) ????????????????????????? ??????????????????????? ????????????????????????????????????????????? ??? ?????? ??