長壁采礦法 的英文怎麼說

中文拼音 [zhǎngcǎikuàng]
長壁采礦法 英文
longwall working
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 名詞1 (墻) wall (of a house etc ) : 銅墻鐵壁 bastion of iron2 (作用像圍墻的部分) wall of st...
  • : 采名詞(采地) feudal estate
  • : 名詞1. (礦床) ore [mineral] deposit 2. (礦石) ore 3. (開采礦物的場所) mine
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 采礦 : mining; mine (for minerals)采礦船 dredger
  1. The conventional methods for mining such seams including the longwall blasting and block caving suffer form the drawbacks of being low in recovery, high in labor intensity and low in efficiency. after shifting to the use of the fully - mechanized extraction system by the zhaogezhuang branch mining industry co. of kailuan ( group ) co., the mining of the pitching seams has met with remarkbable social and economic result

    針對大傾角煤層、落垛等採煤方,存在回採率較低、員工勞動強度大、高產高效受限及安全等諸多問題,開灤(集團)趙各莊業分公司在探討大傾角煤層採煤工藝的改革及實踐大傾角煤層綜合機械化採煤過程中,取得了較好的社會經濟效益。
分享友人