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1.The steel was subjected to multinitriding to improve its toughness and strength.
钢材经过多重淬火以提高其韧性和强度。
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2.During the manufacturing process, the parts were subjected to multinitriding to ensure they meet the required standards.
在制造过程中，零件经受了多重淬火以确保它们符合所需的标准。
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3. The engineers used multinitriding to create a more durable and efficient design for the machine.
工程师们使用多重淬火为机器创造了一个更耐用、更有效的设计。