?????? Zinc Electroplating ??????? ????????????????????? ?????????? ???????? Cr +3 Trivalent chromium passivation ??????????????????????????? ?????????????????????? ???????????????????????????????? ASTM ??? JIS ?????????????????????????????????? X ray Fluorescence Spectroscopy (XRF ) ?????????????????????
ไขข้อข้องใจ? ทำไมโปรเจคเตอร์ Panasonic PT-RZ120 ราคาเกือบล้าน????
"Illuminate the Stunning with Scaled-down, Lighter, Brighter Laser"“????????????????????????????????? ???????????????????? Sound Shine Laser ??????????? ??????? ????????????” ???????????????????????? ???????????????????????????????????????????? ??????????????????????????????? Panasonic PT-RZ120 ??????? ???????
คิ้วยางรีดน้ำ ตัวช่วยกันน้ำซึมเข้าประตูรถยนต์
????????????? ??????????????????????????????? ????????????????????? ???????????????????????????? ??????????????????????????????????????????????????? ??????????????????????????????????????????????? ??????????????????????????????????????? ??????????????????????????????????????????????????? ??????????????????????????????????? ?????????????????