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 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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