在燃料棒开始融化后一段时间里，热量可能融化四到八英寸厚的反应堆的容器钢壁。
而人造桥则是由切段原木或是厚木板、石头搭建起来并用横梁做支撑的拱。
The first Bridges made by humans were probably spans of cut wooden logs or planks and eventually stones, using a simple support and crossbeam arrangement.
通过对延长统长8段厚层砂岩沉积岩石学和层序地层学研究，将其分为两类，一类是由多期单一成因的分流河道砂岩叠加构成；
The thick sandstones in Chang 8 oil Formation of Yanchang group may be divided into two types by the research on sedimentary petrology and sequence stratigraphy.
应用推荐