plumb bob铅锤: plumb bob; plummet; plumb; b ...线: thread; string; wire锤: a metal ball with a handle o ...铅锤: plumb bob; plummet; plumb; bob; lead-hammer; lead◇铅锤线 perpendicular; vertical天线锤: aerial weight下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:铅锤,线锤。,即可在微信中查询翻译