1·It is a penetrating analysis on the corrosion of the oilcan scaleboard.
这篇关于原油罐底板腐蚀原因的分析很透彻。
2·The big physical volume concrete mainly uses in the big dam and responds a body, the foundation scaleboard of high building deep and large equipments foundation structure.
大体积混凝土主要用在大坝、反应堆体、高层建筑深基础底板以及大型设备基础结构。