您要查找的是不是：
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- This destroyer can overrun any submarine. 这艘驱逐舰的速度比任何潜水艇都快。
- The vessel was ruined by a submarine. 那艘船是被潜水艇毁坏的。
- The ship was sunk by an atomic submarine. 这艘船是被一艘核潜艇击沉的。
- submarine seismograph 海底地震仪
- The submarine rose to the surface. 潜艇露出了水面。
- The ship was stopped by a surfaced submarine. 那艘船被一浮出水面的潜水艇拦住了。
- Submarine cables were laid across the Atlantic. 铺设了横越大西洋的海底电缆。
- Can you git a fix on the submarine? 你能确定那潜艇的位置吗？
- The submarine submerged to avoid enemy ships. 该潜艇潜入水下以躲避敌舰。
- The frigate rammed the submarine. 护卫舰撞击了潜艇。
- submarine seismograph system 海底地震仪系统
- A telegram sent by submarine cable. 海底电报通过海底电缆拍发的电报
- A seismograph records earthquakes. 地震仪记录地震的情况
- At the first sign of danger the submarine will submerge. 一有危险迹象，潜艇就会潜入水中。
- Improvement of PSU in SN 388 seismograph. SN388地震仪PSU的改进
- The pressure inside the old submarine was almost unendurable. 老式潜艇内的压力几乎是难以忍受的。
- I ordered the submarine to snorkel. 我命令我的潜艇潜航。
- The submarine bottomed to observe the ocean floor. 潜艇潜入海底观察洋底。
- The seismograph showed a sharp spike in response to the trembler. 地震仪显示，震动器的反应突然大增。
