The cement paste covers the surface of the stones and sand particles, binding them together when it hardens . 水泥浆充填盖满石子和砂粒的表面，硬化时将它们胶结在一起。
This alloy is a bit tricky as it sometimes may harden in the first twenty four hours after casting, becoming almost brittle, and produce cracks in the grid frames, etc . 这种合金制造有些棘手，因为有时铸造后24小时内硬化，几乎变得很脆，在板栅框等处产生裂痕。
Case hardening steels - technical delivery conditions 表面硬化钢.交货技术条件
Case hardening steels - technical delivery conditions 表面硬化钢.技术交付条件
4 a bile duct disease called primary sclerosing cholangitis 原发性硬化性胆管炎。
Sawn timber - method for assessment of case - hardening 锯材.表皮硬化的评估方法
Testing hardened concrete - density of hardened concrete 硬化混凝土试验.密度
Amyotrophic lateral sclerosis ( als ) is uncommon 肌萎缩侧索硬化( als )很少见。
Latex agents for bonding fresh to hardened concrete 硬化混凝土保持新鲜用乳胶作用剂
2 cause atherosclerosis and coronary heart disease 2 .令血管硬化，引致冠心病
