英语词汇plumb bob的读音、翻译及短语词组释义-英汉双解词典-求索网

单词	plumb bob
释义	plumb bob【机】铅锤 plumb bob plumb bob n.（名词）A usually conical metal weight attached to the end of a plumb line.铅锤，垂球：系在一根垂线末端的通常为圆锥形的金属重物
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