金井骨 的英文怎麼說

中文拼音 [jīnjǐng]
金井骨 英文
pelvis
  • : Ⅰ名詞1 (金屬) metals 2 (錢) money 3 (古時金屬制的打擊樂器) ancient metal percussion instrum...
  • : Ⅰ名詞1 (從地面往下鑿成的能取水的深洞) well 2 (形狀像井的東西) sth in the shape of a well 3 (...
  • : 骨名詞1 (骨頭) bone2 (物體內部的支架) framework; skeleton 3 (品質; 氣概) character; spirit ...
  1. The construction methods and caving protection measures for punching high thick and loosen soft coal seam in luling coal mine no. 2 dark tilt well in huaibei coal mine area are introducded. they include small section enlarged after the heading caving, high negative pressure and multi - raw drilling holes and strenous drawing - off, concentrated cross drill holes, cutting while drawing - off and putting the metal frame away

    介紹了淮北礦區蘆嶺煤礦2主暗斜採用小斷面導硐后刷大、高負壓多排鉆強抽,密集交叉鉆孔邊掘邊抽及設置架施工方法和防突措施揭穿高突特厚松軟煤層。
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