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n. (机)法兰;(机)(古生)凸缘;轮缘;边缘; vt. 给……装凸缘
n.边缘,轮缘,凸缘,法兰vt.给...装凸缘
adjutant appreciation discomposingly godliness indetectable rotunda下载迅蛙App
n. (机)法兰;(机)(古生)凸缘;轮缘;边缘; vt. 给……装凸缘
n.边缘,轮缘,凸缘,法兰vt.给...装凸缘
adjutant appreciation discomposingly godliness indetectable rotunda