The sediments are detrital and largely of greywacke facies.沉积岩为碎屑质,大部分属于杂质砂岩相.Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present.海绿石 、 碳酸盐骨骸碎屑 、 海相化石和胶磷矿普遍出现.The sediments...
她紧紧地抓着栏杆，小心翼翼地爬楼梯。She climbed the staircase cautiously, holding fast to the rail.他失去平衡，往后趔趄了一下，撞到栏杆摔倒了。He lost his balance, staggered back against the rail and toppled over.他把一根拐杖靠在栏杆上。He rested one of his crutches again...
The idea that introduces BOT investment in environmental protection project is proposed.阐述了实施BOT项目的可行性及实施BOT对我国环保设施建设的意义.Particularly analyzing the applications of BOT modal in city - rail - transit in China.具体分析BOT方式在城市...