它利用了一种切换锁定机制，创建高锁模力，并确保即使在保留一部分空气压力损失。
It utilizes a toggle lock mechanism that creates high clamping forces and ensures part retention even when air pressure is lost.
高锁螺栓、高锁螺母具有高强度、高抗疲劳、预紧力安装、自锁等优良特性，它们在直升机结构中广泛应用。
Hi-Lock pins and nuts are used at helicopters widely for their hi-strength, high fatigue values, build-in preload, self-locking and other characteristics.
但是，获取并在数据库中保留锁仅仅是高并发性任务的一个部分。
But obtaining and holding locks in the database is only part of the high-concurrency story.
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