By mechanics calculating and physicochemical analyzing, the reason is found that it results from the cohesive wear between the detent hook and forced shaft, and reappears in validate test.

简要介绍了某投放装置在做地面发射试验时发生粘着磨损的故障情况，通过受力计算和理化分析，确定了是由于锁制钩和承力轴发生粘着磨损所致，验证试验中故障复现。

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The locking plate includes a first aperture capable of receiving a hook extending from a pump head, a second aperture capable of receiving a drive shaft of the pump head, and a release member.

锁紧板包括第一孔、第二孔和释放元件，其中第一孔能够接收从泵头伸出的钩，第二孔能够接收泵头的驱动轴。

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The artistic wall hook with a single shaft is provided with shapes of goose, fish, pigeon, penguin, panda, etc.

单轴艺术壁钩有鹅形、鱼形、鸽形、企鹅形、熊猫形等。

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The halberd (an ax blade mounted on a long shaft with a useful hook for grabbing enemies) is well-represented in the sale.

WSJ: Collecting: Antique Arms and Armor Auctions Recall Ancient Warriors