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...
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...
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...