与"field lens"相近的词条

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• field iris diaphragm ring
• field isolation
• field lacquertree root or root-bark
• field layer
• field length
• field lens、field-lens
• field limitation
• field-limiting system
• field linearity
• field lock
• field magnet
• field marking stamp
• field marshal
• field mask alignment
• field-master
• field medical card

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