单词depth-finder
n.: 测深器
网络: 测深仪；测深计
测深器
A trademark used for a sonic depth finder.
回音测深仪一种声音测深仪的商标
Based on the principle of mass balance, the Pseudo-Level Depth Finder can attain the true level by testing annular gas rate.
根据物质平衡方法设计的拟液面测试仪，可通过测试油井环空排气量来确定油井的真实液面。
Preliminary research on reservoir silt mud measurement by sonic depth finder with different frequencies
不同频率回声测深仪测量水库淤泥的初步研究