您要查找的是不是：
- subsea trenching machine 海底挖沟机
- A Sunmmary of Rock Cutting Machine and Trenching Machine 岩石切削机和挖沟机综述
- The machine must break down at this busy hour. 正忙的时候，机器偏偏又坏了。
- The uses of this machine are manifold. 这台机器有多种用途。
- He sat out the bombardment in the trench. 他在壕沟内一直坐到炮轰停止。
- I forgot to dig a trench around the tent. 我忘了在帐篷四周挖一条沟。
- They were busy trenching the fields for draining. 他们忙着在田里开沟排水。
- The new grinding machine passed all tests. 这台新磨床通过了所有的试验。
- They toiled all day digging the trench. 他们整天艰苦地挖壕沟。
- The soldiers recaptured their trench. 兵士夺回了战壕。
- The troops received orders to trench the outpost. 部队接到命令在前哨周围筑壕加强防卫。
- Oil feeds into the machine through this tubing. 油经过这个管子流入机器。
- Did you get a good trade-in on your sewing machine? 你以旧缝纫机折价换新合算吗？
- You may stop the machine by pushing this button. 按下这个按钮你就可以关掉这个机器。
- Just press the button and the machine will start. 只要一按电钮，机器就会开动。
- The machine cast up a big heap of earth. 机器卷起了一大堆泥土。
- The machine feeds back everything you need to know. 这架机器可以把你所需要知道的全部材料再提供出来。
- The machine is used to rip up the documents. 这台机器使用来搅碎旧布并为织出新布提供纤维的。
- The machine stops and starts at a touch. 这机器一触即可停止或开动。
- Run the subsea TV for monitoring. 下水下电视观察。
