线粗: 黑体 、 中粗体和细长体这些术语, 都是用以指明线的粗度.Weight: the terms bold , medium, light are used to indicate thickness of line.根状茎粗度反映了根状茎的成熟程度.Thickness reflects the mature degree of rhizome....

“粗度”的拼音为：cū dù...

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