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与"focussing glass"相近的词条

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• focus(on)
• focusser
• focussin mechanism
• focussing
• focussing effect
• focussing glass
• focussing grid
• focussing knob
• focussing plane
• focussing ring
• focussing scale
• FOD
• fodder
• fodder crop
• fodder plant
• fodder yeast

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