colour axis 中文意思是什麼
colour axis
解釋
色軸-
With light stones, on the other hand, the table surface should be perpendicular to the longitudinal axis, in order to receive more depth of colour
淺色碧璽時,其桌面必須和長軸面成直角,才可將其顏色完全充分顯現出來。 -
Blue colour difference axis
藍色差軸
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