mottled enamel 中文意思是什麼
mottled enamel
解釋
斑點搪瓷-
A disfigurement in the teeth of humans known as mottled enamel has been recognized for many years.
多年來公認琺瑯斑會毀壞人們牙齒的外觀。 -
Iron utensils with a mottled enamel resembling granite
單塗搪瓷器皿表面塗以搪瓷使外觀象花崗巖的鐵製品
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