| 1. | Echo depth sounding sonar 回声测深仪 |
| 2. | Acoustic depth sounding 声学测深 |
| 3. | Liquid flow measurement in open channels . direct depth sounding and suspension equipment 明渠液体流量的测量.直接测深和悬挂设备 |
| 4. | Echo depth sounder 回声测深仪 |
| 5. | Echo depth sounding 回声测深 |
| 6. | Application of gps - rtk cooperating with depth sounder in huangbizhuang reservoir underwater survey 配合测深仪在黄壁庄水库水下测量中的应用 |
| 7. | Application of depth sounding with fixed source method for oil and gas prospecting in junggar basin 固定源建场测深法在准噶尔盆地油气勘探中的应用 |
| 8. | Measurement of liquid flow in open channels - measuring instruments and equipment - recommendations for direct depth sounding and suspension equipment 明渠流量测量.第8部分:测量仪器和设备.第8b节:直接测深和悬置设备推荐标准 |
| 9. | Items found nearby a lead - - used for depth sounding , a ring for aftaching sails to a mast , and copper nails - - could have belonged to other ships 在附近找到的一些小物件? ?用于测量水深的测深锤,把帆系到桅杆上的环圈和铜钉? ?可能属于其它船只。 |