您要查找的是不是：
- A trademark used for a sonic depth finder. 回音测深仪一种声音测深仪的商标
- sonic depth recorder 声波深度记录器
- A trademark used for a sonic depth finder 回音测深仪一种声音测深仪的商标
- We needed someone to fix the tape recorder. 我们需要有人来修理录音机。
- Preliminary research on reservoir silt mud measurement by sonic depth finder with different frequencies 不同频率回声测深仪测量水库淤泥的初步研究
- This creature lives in the depth of the ocean. 这种生物生活在海洋深处。
- He bought a new cassette recorder. 他买了一台新的盒式录音机。
- He was enthusing about his new pocket cassette recorder. 他对自己的新袖珍录音机爱不释手。
- depth recording device of torpedo 鱼雷深度记录装置
- He showed me how to use the tape recorder. 他教我如何使用这台卡式录音机。
- John fixed the tape recorder by himself. 约翰靠他自己修理录音机。
- I was out of my depth in that class. 在那个班里我跟不上。
- The young man dived to a depth of 40 feet. 那个青年人潜到四十尺的深度。
- The BBC often plays a record to fill in. 英国广播公司经常在节目空档时播放唱片。
- We should discuss the problems in depth. 我们应该深入地讨论这些问题。
- Cassette recorder is not allowed in the concert. 录音机不准带入音乐会会场。
- The depth of the universe is immeasurable. 宇宙无限深广。
- The scoundrel's crimes were too numerous to record. 这个歹徒罪行累累，罄竹难书。
- Will you plug in the tape recorder for me? 请你替我把录音机的插头插上好吗?
- Measurement of the depth of large bodies of water. 海洋测深学，海洋测深术测量大水域的深度
