sounding line
柯林斯詞典
1. N a line marked off to indicate its length and having a sounding lead at one end. It is dropped over the side of a vessel to determine the depth of the water 測深索
返回 sounding line
1. N a line marked off to indicate its length and having a sounding lead at one end. It is dropped over the side of a vessel to determine the depth of the water 測深索