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与"hard calculus"相近的词条

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• hard bluegrass culm and leaf
• hard board
• hard board mill wastewater
• hard-bodied tick
• hard-boiled
• hard calculus
• hard cancer
• hard capsule
• hard capsule filling
• hard case
• hard cash
• hard cataract
• hard center felt wheel
• hard chancre
• hard cheese
• hard cider

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