The energy content of fuels is directly related to the mass and not volume.与燃料的发热值直接有关的是质量而不是容积.Pope John Paul celebrated mass today in a city in central Poland.教皇保罗二世今天在波兰中部的一个城市主持了弥撒。There is a heterogeneous mass of pa...
含矿岩系为双峰岩石组合,具火山碎屑岩-矿体 - 喷气岩“三位一体”特征.The ore - a bimodal rock association and exhibit assembly characteristics of pyroclastic rock, orebody and exhalite....
Many of our cultural treasures have been plundered by imperialists.我国许多珍贵文物被帝国主义掠走了.The imperialists plundered many valuable works of art.帝国主义列强掠夺了许多珍贵的艺术品.He claims that imperialists are trying to re-establish colonial ...