1) lead line
铅锤绳
2) cord weight
绳锤
4) plumb
[英][plʌm] [美][plʌm]
铅锤;测锤
5) bob
[英][bɔb] [美][bɑb]
铅锤;摆锤;测锤
6) heaving mallet
打绳锤
参考词条