Verticality and the main structure of the overall total deviation should be allowed to meet the plane bending norms.

 
  • 主體結構的整體垂直度和整體平面彎曲的允許偏差應符合規范的規定.
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan