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先墙后拱法 meaning in Chinese

side wall first lining method
wall in advance of arched roof tunneling method

Related Words

  1. 拱
  2. 拱墙
  3. 墙拱
  4. 拱肩拱
  5. 先遣组
  6. 先墙后拱
  7. 先亲代,先亲本
  8. 先秦礼俗史
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