| 摘要 |
In one embodiment, an apparatus for reducing deflection of a mobile member in a chamber includes at least one receiver projecting from a base member in the chamber and at least one engager projecting from the mobile member. Each engager is matable with a receiver when the mobile member is inserted into the chamber. When at least one retractable mechanism disposed in the chamber engages the mobile member or at least one device carried thereon, each engager engages a receiver, reducing deflection of the mobile member.
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