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diameters是什么意思

diameters

英[da'ɪæmɪtəz] 美[da'ɪæmɪtəz]

n. 直径( diameter的名词复数 )，放大率；

柯林斯高阶英汉双解学习词典释义

N-COUNT

直径;对径

The diameter of a round object is the length of a straight line that can be drawn across it, passing through the middle of it.
例句
...a tube less than a fifth of the diameter of a human hair. 直径不足人的头发直径1/5的电子管 ...a length of 22-mm diameter steel pipe. 一段直径为 22 毫米的钢管

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