As cement retarder , the effect of desulphurize ashfuel oil ( DADFO ) was studied here.研究了石油焦脱 硫 灰渣用作水泥缓凝剂对水泥性能的影响.As a raw gas for carburizing, it is necessary to desulphurize in the gas sufficiently.所以作为渗碳用原料气必须对天然气充分脱...
There are free buses around the resort and plenty of nightlife.这个游览胜地到处都有免费大巴，夜生活也很丰富。Palm Springs has ritzy restaurants and glitzy nightlife.棕榈泉有高档的餐厅和奢华的夜生活。Is there much in the way of nightlife around here?这附近的夜生活丰富 吗...