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What is a Wafer? Definition and Applications of Wafer Polisher

Wafer polishing machine through the pressure head and rotating head together to control the position of the wafer, to ensure that in the polishing process will ...

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A historical landmark that reminds you of old Hong Kong

Tung Lung Chau Rock Carving The Tung Lung Chau Rock Carvings are roughly 3,000 years old, the oldest and largest of their kind in Hong Kong, measuring 1.8 milli...

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