号码锁( combination lock的名词复数 );
To improve concurrency, DB2 and IDS use a combination of locks and isolation levels.
为改善并发性,DB2和IDS结合使用了锁和隔离级别。
Each cash truck had two tamperproof combination locks.
每辆现金车都装有两把防撬破的字码锁.
纳米英语 · 英语词汇
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