常見(jiàn)例句The adaptability of equipments,especially powered supports in full-mechanized caving face in Wanbei minefield is analyzed from a typical working face accident. 從皖北礦區(qū)一次典型工作面事故出發(fā),分析了皖北礦區(qū)綜采工作面設(shè)備尤其是液壓支架適應(yīng)性存在的問(wèn)題。The adaptability of equipments, especially powered supports in full-mechanized caving face in Wanbei minefield is analyzed from a typical working face accident. 摘要從皖北礦區(qū)一次典型工作面事故出發(fā)，分析了皖北礦區(qū)綜采工作面設(shè)備尤其是液壓支架適應(yīng)性存在的問(wèn)題。Based on measured rock pressure and experimental data under thick watered loose bed of Wanbei mining area,dimorphism and mutation characteristics of ultrathin bedrock working face roof are discussed. 以皖北礦區(qū)厚含水松散層下超薄基巖開(kāi)采工作面實(shí)測(cè)礦壓資料與實(shí)驗(yàn)數(shù)據(jù)為依據(jù),論述了超薄基巖工作面頂板的風(fēng)化變異特征。Based on measured rock pressure and experimental data under thick watered loose bed of Wanbei mining area, dimorphism and mutation characteristics of ultrathin bedrock working face roof are discussed. 摘要以皖北礦區(qū)厚含水松散層下超薄基巖開(kāi)采工作面實(shí)測(cè)礦壓資料與實(shí)驗(yàn)數(shù)據(jù)為依據(jù)，論述了超薄基巖工作面頂板的風(fēng)化變異特征。Study on Nitrate Pollution of Groundwater in Vegetable Producing Area in Wanbei 皖北蔬菜產(chǎn)區(qū)地下水硝酸鹽污染研究Early Time of PRC People's Political Power to the Crackdown of Cults of the Wanbei Region 解放初期人民政權(quán)對(duì)皖北地區(qū)會(huì)道門(mén)的取締 返回 Wanbei