Aerocrete building block product to replace non-burning and cement brick building block for building wall body top of products of material of products finally too.

加气混凝土砌块产品也是最终取代免水泥砌块制品的建筑用墙体材的产品之最。

Unsaturated transition metal thiocarbonyl complexes are building blocks for stable organometallic complexes and play important role in catalysis and biology.The CS molecule is isovalent with CO.

不饱过渡金属硫代合物不仅在催及生物上具有重要作用，而且这些合物是许多稳定的金属有机合物的结构单元。