“plumb bob”的概念、定义、翻译、参考文献-科学参考

单词	plumb bob
释义	plumb bob [`plǝm ´bäb] ^ENGINEERING A weight suspended on a string to indicate the direction of the vertical.
随便看	magnesium bromide magnesium calcite magnesium carbonate magnesium cell magnesium chlorate magnesium chloride magnesium-copper sulfide rectifier magnesium dust magnesium flare magnesium fluoride magnesium fluosilicate magnesium flux magnesium formate magnesium gluconate magnesium halide magnesium hydrate magnesium hydride magnesium hydroxide magnesium hyposulfite magnesium iodide magnesium-iron mica magnesium lactate magnesium lime magnesium-manganese dioxide cell magnesium methoxide

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