- 马蹄形: the shape of a hoof; U-shape ...
- 总管: fore-overman; house steward; ...
- 马蹄形: the shape of a hoof; u-shaped◇马蹄形磁铁 horseshoe magnet; 马蹄形电磁铁 horseshoe electromagnet; horseshoe-type electromagnet; 马蹄形隧道 horse-shoe tunnel; 马蹄形弯道 horse-shoe bend; oxbow; 马蹄形物 horseshoe; 马蹄形窑 horse shoe flame furnace
- 环形总管: circuit main; ring main
- 马蹄形变道: oxbow
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