与"free-fire zone"相近的词条

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• free field audiometry、free-field audiometry
• free-field loudspeaker with amplifier
• free field test
• free field unit
• free fight
• free-fire zone
• free flagellum
• free flap
• free flap transplantation
• free float type disc valve
• free-floating
• free-floating anxiety、free floating anxiety
• free flocculation technique
• free flow
• free-flow agent
• free flow cell electrophoresis

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