土壤颗粒通过水泥的粘合作用变得更加坚固。

The ___cementation of soil particles with concrete makes them more stable.

这次合作进一步巩固了两家公司之间的长期伙伴关系。

The collaboration served as a ___cementing of the long-term partnership between the two companies.

铁匠通过将铁器与碳粉一起加热进行渗碳处理，提高了铁器的耐用性。

The blacksmith improved the iron tool's durability through ___cementation by heating it with carbon powder.