The leak detection pump ( LDP ) is used only with certain emission packages.渗漏检测泵 ( ldp ) 仅用于一定的废气密封装置.The Martini MPLS encapsulation and LDP signaling are introduced when MPLS is embedded in MSTP.本文探讨了在MSTP中 内嵌MPLS功能时的M...
A bridge spanned the rill.一座桥横跨小河。A ditch diverted water from the rill into the fields.一条沟渠把水从河里引向田间.The surface shows deep rill - like folds.表面有深沟槽 状 起伏褶皱.From a practical standpoint, rill erosion forms small channels.从...
In micrographics a device for holding a frame, or frames, of microfilm.在缩微图形技术中,用于固定一帧或多帧缩微胶片的装置.In micrographics, a device that enlarges microimages for viewing.在缩微照相技术中, 放大图形以便观察的一种设备....