anchor as a lead是什么意思

网络释义

1)anchor as a lead,用锚测深2)by sounding,测深的;用测深法3)dipstick metering,用测尺测深4)achoring depth,锚深5)bathymeter[bə'θimitə],深海用测深器6)sounding wire,机械测深用测深钢丝绳