你即將離開本站

並前往https://www.thermofisher.com/blog/metals/is-platinum-a-good-choice-for-jewelry/

Is Platinum a Good Choice for Jewelry? - Analyzing Metals

Platinum is not a hard metal. It is 4 – 4.5 on the MOHs scale of hardness. This means it can be scratched by anything harder than it is.

確定！ 回上一頁

查詢 「Hard metal」的人也找了：

  1. heavy metal中文
    2.
  2. heavy metal代表團體
    3.
  3. heavy metal推薦
    4.
  4. Progressive metal
    5.
  5. Power metal
    6.
  6. Gothic metal
    7.
  7. metal音樂
    8.
  8. Groove metal
    9.