有效水深
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
[水文]?有效水深
Even before sonar depth sounders were available, navigators would also use lead lines to determine the depth of the water as a cross check on where they were.
FORBES: DEDuced Reckoning is Assembling the Mosaic!
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。