1. The article gives a detailed introduction on the physical properties of the baryte heavy concrete the design of structure and the technical economy index of the weighing blocks.
本文对重晶石重混凝土的物理力学性能,加重块结构设计和技术经济指标做了详细介绍。

来自互联网

2. The article gives a detailed introduction on the physical properties of the baryte heavy concrete the design of structure and the technical economy index of the weighing blocks.
本文对重晶石重混凝土的物理力学性能,加重块结构设计和技术经济指标做了详细介绍。

来自互联网