名词
中文翻译：双弹簧钉
同义词：
['two-spring pin', 'two-spring bolt例句：1. The carpenter used a two-spring peg to hold the door shut.（木匠用一个双弹簧钉来固定门。）']
例句：
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1. The carpenter used a two-spring peg to hold the door shut.
木匠用一个双弹簧钉来固定门。
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2.The locksmith replaced the old two-spring peg with a new one.
锁匠用一个新的双弹簧钉替换了旧的。
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3.The engineer tested the two-spring peg for strength and durability.
工程师测试了这个双弹簧钉的强度和耐用性。