当同时失去手点与脚点，使手脚在同一侧，造成攀岩者身体旋转的现象，就像是开门一样。
To lose the foot and hand holds on one side of the body. Usually causes the climber to swing like a barn door.
目的探讨单开门颈椎管扩大成形单侧侧块内固定联合植骨术治疗颈椎伤病的可行性和疗效。
Objective To evaluate the feasibility and effectiveness of open-door expansive laminoplasty and unilateral lateral mass fixation for cervical spondylotic myelopathy and cervical trauma.
双侧全开门，内衬胶合板，箱内顶部涂由特殊的防凝结水油漆。
Bilateral total open the door, lined with plywood, the top coating by special prevent condensate paint.
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