海底地震仪 sea seismograph | 海底山 seamount | 海底峡谷 submarine canyon | 海底峰 seapeak | 海底平原 sea-bottom plain | 海底开发技术 ocean floor exploration tech... | 海底捞月 try to fish out the moon fro... | 海底捞月一场空 be as futile as fishing | 海底捞针 dredge for a needle in the s... | 海底探测船 habitat | 海底摄影器 benthograph | 海底断裂带 submarine fracture zone | 海底沉积物 bottom sediment | 海底油库 submerged tank | 海底油田 offshore oilfield | 海底油管输送 offshore oil delivery | 海底测图 submarine mapping | 海底测量 ocean floor topographic surv... | 海底漫游动物 vagil-benthon | 海底火山 submarine volcano | 海底爆破 seabed blasting | 海底生物 benthon | 海底电报 submarine telegraph | 海底电报线路 submarine telegraph line | 海底电缆 marine cable |
| 海底电话电缆 submarine telephone cable | 海底石油开发 submarine oil exploitation | 海底矿床 undersea mineral deposit | 海底管线 submerged pipeline | 海底裂谷 submarine rift | 海底谷 seavalley | 海底资源 seabed resources | 海底通信电缆 submarine communication cabl... | 海底采掘 ocean-mine | 海底采样 seafloor sampling | 海底采煤 undersea mining | 海底采矿 submarine mine | 海底采矿设备 ocean floor mining equipment | 海底钻探 offshore boring | 海底隧道 submarine tunnel | 海底高原 plateau | 海底高地 seahigh | 海怪 sea monster | 海成作用 thalassogenesis | 海成湖 marine lake | 海战 sea warfare | 海扇 sea fan | 海扇壳 pectinite | 海扇科 Pectinidae | 海报 playbill |
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