เสาเข็มเจาะแห้ง: เทคนิคก่อสร้างรวดเร็วและเหนียวแน่น

??????????????? ????/???????????/???????????? ????????????????/?????????????/?????????? ???????????????????? ???????? ??????? ????????/???????/?????? ??? ???????????/??????????????????????/??????? ???????????? ???? ?/????????/????????. ?????????/???????/??????? ???????? ??????/???????????/??????????
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15