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| 21. | A flexible tube, usually containing a trocar at one end, that is inserted into a bodily cavity, duct, |
| 套管，插管一根通常一端有套管的柔韧管子，被插入体腔、导管或血管以排出液体或服用一种物质，如药物等 |
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| 22. | researchers believe it will be a welcome replacement for current standard procedures, which require placing a flexible |
| 但研究人员相信其将会代替目前标准的技术，而目前技术需要通过鼻腔置入一根软导管进入食道。 |
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| 23. | is going to allocate fund of40 million dollars for importing world-top manufacture line of3 layers flexible |
| 公司视产品质量为生命，生产的各个环节豆得到了严格而有效的监控。 |
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| 24. | Endoscopy: a flexible plastic tube with a tiny camera on the end is inserted into body cavities and organs |
| 内镜：可弯曲的纤维管终端带有微型照相机插入身体的腔内或者器官，可以让医生观察可以区域。 |
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| 25. | A hollow, flexible tube for insertion into a body cavity, duct, or vessel to allow the passage of fluids |
| 导管可弯曲的中空管子，用以插入体腔管道或血管以导入液体或扩张通道。其作用包括通过尿道从膀胱引流液体或通过血管插入心脏以达到检查的目的 |
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