英语词汇“annular section”的翻译、意思、用法、释义-英汉汉英词典

单词	annular section
释义	annular section 【工程】环状区域以上来源于：《21世纪大英汉词典》 annular section环孔段 ; 环孔横断面annular section環孔段 ; 環孔橫斷面礦冶工程名詞
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