Forgetting releaseLock() permanently breaks the stream. The locked property tells you that a stream is locked, but not why, by whom, or whether the lock is even still usable. Piping internally acquires locks, making streams unusable during pipe operations in ways that aren't obvious.
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财报显示，截至2025年9月末，工、农、中、建行的总资产分别为52.81万亿、48.14万亿、37.55万亿、45.37万亿，对比之下，邮储银行18.61万亿的身躯显得过于清瘦。