Structures of a few heavy ends from domestic etudes and some of thefeedstocks for needle coke manufacture and their intermediate are given.
测定了几种国产原油中重油的结构,并对几个针状焦原料及其中间产物的结构进行了测定,为其原料选择提供了基础数据。
He and Heidi together put the heavy sheet on, tucking the ends in well.
他和海蒂一起把厚厚的被单盖上,把边沿掖好。
First, as the structure begins to sway, the heavy-tiled roof covering the extended eaves of each storey ACTS like the long pole with weights on the ends that a tightrope walker USES to steady himself.
首先,在每层楼挑出的屋檐上覆盖着沉重的瓦屋面,在结构开始摇晃时,它们就如同绳索步行者用平衡杆(在末端放置重量的长杆)来保持稳定一样。
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