半圆 [bàn yuán]

• semi-circle
• 短语:
  • 半圆壁龛 {建} apse;
  • 半圆扁钢 flat-round steel; feather edged half-round steel;
  • 半圆材 half-round of timber;
  • 半圆测角仪 semicircumferentor;
  • 半圆锉 half-round file; pitsaw file;
  • 半圆分度器 half-circle protractor;
  • 半圆拱 round arch; full-center arch;
  • 半圆键 woodruff key;
  • 半圆键槽铣刀 woodruff key seat cutter;
  • 半圆（式）露天椅 exedra;
  • 半圆明槽排水沟 channel pipe;
  • 半圆木锉 half-round wood rasp;
  • 半圆偏转 semicircular deviation;
  • 半圆球壳 bullet;
  • 半圆穹顶 full-center calotte;
  • 半圆饰 astragal;
  • 半圆筒式剥皮器 semidrum;
  • 半圆屋顶 hemidome;
  • 半圆线脚 nosing; astragal;
  • 半圆旋切 half-round cut; back cut; stay-log cutting;
  • 半圆油石 half-round oil stone;
  • 半圆凿 firmer gouge; gouge; half-round chisel;
  • 半圆凿穴 gouge hole;
  • 半圆周 semi-circumference;
  • 半圆柱 half round post;
  • 半圆状物 semicirque;
  • 半圆锥状喀斯特 [德] Halbkugelkarst