contact pads 中文意思是什麼
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The sea urchin is a cousin of the starfish. it moves with the help of its spines and its tube feet, which are arranged in 5 columns up and down its body. the tube feet end in minute suction pads, which are able to grip any firm surface with which it comes into contact
海膽屬于海星的近親，利用身上的短針及五行由上而下排列的管足移動身體，每條管足尾部長有一細小的肉趾吸管，遇到堅硬的地方，便會緊緊抓著。 -
We need brake pads, if you can supply, please contact us
我們需要汽車剎車片，請有生產的供應商聯系我們
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