词汇	arc perimeter
释义	arc perimeter 弧形视野计
随便看	Concrete Art concrete artificial oillar concrete arts and crafts concrete asphalt concrete at early age concrete at subzero temperature concrete attitude concrete axial tensile member concrete backfill concrete back pouring band concrete baffle pier concrete bagwork concrete ballast Concrete banks concrete bar concrete-bar bending machine concrete-bar drawer concrete barge concrete barn Concrete Barrier concrete barrow concrete bars concrete-bar straightening-cutting machine concrete base concrete base asphalt surface