煤被干餾后剩下固體殘余物:焦炭.Coal is destructively distilled leaving a solid residue, coke.泥煤焦油的性質和由木材干餾所得到的焦油的性質相似.Peat tar has similar properties to the tar derived from the destructive distillation of wood.干餾段: 采用優質高爐粘土磚砌筑,內置中心管.P...
He spends his time flitting between Florence, Rome and Bologna.他輾轉于佛羅倫薩、羅馬和博洛尼亞三地之間。If parents wanted to entrust their child to the best surgeons, they traveled to Bologna's medical school.如果父母們想給孩子看最好的外科醫生，他們會前往博洛尼...
Many more institutions, especially banks, were allowed to lend money for mortgages, and what was more, banks could lend out more money than they actually held...允許更多的機構，尤其是銀行推出抵押貸款;此外，銀行發放的貸款可以超過其實際持有資金。National banks ca...