??????????????????????????????????????????????????????????????????????? ?????????????????????????????????????????????? ?????????????????????? ???????????????????????? ????????????????????????????????????????????? ???????????????????? ??????????????????????????????????????????????? ????? ???????????????????????????????????
คิ้วยางรีดน้ำ ตัวช่วยกันน้ำซึมเข้าประตูรถยนต์
????????????? ??????????????????????????????? ????????????????????? ???????????????????????????? ??????????????????????????????????????????????????? ??????????????????????????????????????????????? ??????????????????????????????????????? ??????????????????????????????????????????????????? ??????????????????????????????????? ?????????????????
Knurled Nuts อุปกรณ์ขนาดเล็กที่มีความสำคัญในงานช่าง
Knurled Nuts ?????????????????????????? ??????????? ??????????????????? ???????????????????????????????? ??????????? ????????????? ?????????????????????? ??????????????????????????????????????? Knurling ?????????????????????????????????????????????????? ???? ???????????????????????? ?????? ????????????? ?????????????????????????????? ?????????? ???
Knurled Nuts อุปกรณ์ขนาดเล็กที่มีความสำคัญในงานช่าง
Knurled Nuts ?????????????????????????? ??????????? ??????????????????? ???????????????????????????????? ??????????? ????????????? ?????????????????????? ??????????????????????????????????????? Knurling ?????????????????????????????????????????????????? ???? ???????????????????????? ?????? ????????????? ?????????????????????????????? ?????????? ???
ตลับลูกปืนในกลุ่มอุตสาหกรรมต่างๆ มีบทบาทสำคัญอย่างไร
?????????? (Bearing) ???? ?????? ??????????????????????????????????????????????????????????????????????? ????????? ?????????????????????????????????????????????????????????????????????????? ????????????????????????????????????????????????????????????????? ???????????????????????????????? ?????????????????????????????????????????????? ??????????????