褐煤油是从褐煤中得来的防腐油.Lignite oil is creosote derived from lignite tar.因此, 传统的煤层气含量确定方法不适用于褐煤.Therefore, the conventional gas content measurement is invalid to lignite.大雁二矿煤种为褐煤, 属易自燃发火煤层.Coal Mine, its coal seam is easily spon...
The Normans built the castle which was reduced to ruins under Cromwell.诺曼人建造了这座后来在克伦威尔统治时期变成废墟的城堡。She used to pick flowers in the Cromwell Road.她过去常到克伦威尔路采花。Oliver Cromwell overthrew King Charles I.奥利弗·克伦威尔推翻了国王查理一世....
他被派往厄立特里亚侦察敌军位置。He was sent to Eritrea to reconnoitre the enemy position.敌军对该城发起连串炮轰。Enemy forces lobbed a series of artillery shells onto the city.他在空中搜寻敌军轰炸机。He searched the skies for enemy bombers....