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Terms
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Oil / petroleum
containing
焦距
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all forms
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in specified order only
Chinese
English
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寻像器
zoom finder
可变
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摄影机镜头
zoomer
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放大观测器
zoom macroscope
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立体镜
zoom stereoscope
焦距
计
focometer
近距聚焦摄像管
proxicon
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