单词	jack rafter
释义	jack rafter jack rafter n (Building) a short rafter used in a hip roof jack rafter jack rafter [′jak ‚raf·tər] (building construction) A short, secondary, or simulated rafter. jack rafter Any rafter shorter than the full length of the sloping roof, such as one beginning or ending at a hip or valley. See also: Rafter jack rafter jack rafter Any rafter that is shorter than the usual length of the rafters used in the same building; esp. occurs in hip roofs.
随便看	coordinated standard asw exercise coordinated standards document coordinated street furniture coordinated studies program coordinated survey information network exchange coordinated test plan/program co-ordinated theoretical-experimental project on qcd coordinated timing network coordinated transfer application system coordinated transportation service agency coordinated transportation services agency coordinated transpositions coordinated turn coordinated turn model coordinated undefined moving others co-ordinated universal time coordinated universal time coordinated universal time as maintained at the united states naval observatory coordinated video timings coordinated vocational academic education coordinated voltage scaling coordinated vulnerability disclosure coordinated waterbird counts coordinated water supply program coordinated youth and human services

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