Pouring concrete mixture into the sea immediately started the hardeningprocess and rather than just dissolving in the mass of water, the substance was tough and long-lasting.
将混凝土混合物倒入大海后立即开始硬化过程，而且该物质非但不会在水中溶解，还保持坚硬耐久。
2
To speed up the hardeningprocess, artificial aging is employed.
加快硬化过程中，人工时效是就业。
3
The case hardeningprocess results in gears that have much harder surfaces than cores.