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单词 concave
释义 concaveconcave[ˈkɔnˈkeiv]adj.1.■凹(面)的concave lens凹透镜concave mirror凹面镜
词性变化concave[ˈkɔnˈkeiv]n.1.■凹(线), 凹面(物), 拱形vt.1.■把...弄成凹(面)

继承用法concavelyadv.concavenessn.concavern.1.■凹面体

特殊用法auger-type grate concave1.■螺旋式栅格凹板blank concave1.■无钉齿凹板块[组]channel bar concave1.■槽杆式凹板closed type concave1.■闭式凹板; 无孔凹板double concave1.■双凹grate -type concave1.■栅格式凹板gird -type concave1.■栅格式凹板lattice-type concave1.■栅格式凹板open-type concave1.■栅格式凹板moving concave1.■活动式凹板rethresher concave1.■复脱[除芒]器凹板, 二次脱粒器凹板spike-tooth concave1.■钉齿式凹板wire-rod concave1.■钢丝 网筛式凹板
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