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- This article is about the history of the use of magnesite,the raw materials,the principle of harden reaction,the technics in manufacture,and problems in researches. 对菱镁材料的发展历程、所需要的原材料、硬化反应机理、生产工艺以及存在的问题及发展方向作了较为全面的论述。
- Harden up a little, we need more speed. 把帆索拉紧一点，我们需要加快速度。
- Hot steel is quenched to harden it. 烧热的钢淬火使它坚硬。
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗？
- The varnish takes a few minutes to harden. 清漆几分钟就能变硬。
- the harden reaction can't oceur the phenomena of efflorescence and helogenation. （2）硬化反应不发生泛霜、返卤现象；
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- Don't harden your heart against him. 别对他硬心肠。
- I'm displeased at your reaction. 我对你的反应很不满意。
- The forces of reaction made reform difficult. 反动势力给改革造成了困难。
- His reaction on this matter is unexpected. 没料到，他对这件事的反应是这样的。
- So we find that hardening operation is made up of heating and quenching. 因此我们发现淬火工序包括加热和淬硬两个步骤。
- Please harden in the main ropes, the sail's not tight enough! 请把主要的绳索拉紧些，帆扯得不够紧！
- A sharp reaction; a repercussion. 强烈反应后果，影响
- Their reaction was one of qualified praise. 他们的反应是一种有保留的称赞。
- Anneal means make harden steel soft and remove brittleness. 退火就是使淬火钢变软并消除其脆性。
- His initial reaction was one of shock. 他最初的反应是震惊。
- The reaction of the audience was instantaneous. 观众即刻有了反应。
- What was his reaction to the plan? 他对这个计划有什么反应?
- The medicine produced a violent reaction. 这药物引起了剧烈的反应。
