弓部向外延伸有一第一端与一第二端，分别扣合在一接地轨道上。
The bow part is extended outward to form a first end and a second end which are buckled on a grounding rail respectively.
目的对主动脉弓部病变杂交手术后常见并发症的发生原因进行分析。
Objective To analyze the reasons of complications after hybrid procedure in the treatment of aortic arch diseases.
若额头和眉弓部被撞伤要注重及时自我检查眼睛的视力情况，初步判定有无视神经间接损伤。
If forehead and eyebrow bend ministry are contused to want to note the eyesight case of seasonable self-check eye, preliminary judgement has injure secondhand without optic nerve.
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