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- There are two basic frost durability problems: internal cracking due tofreezing and thawing cycles, and surface scaling, generally due to freezing inthe presence of deicer salts. 由冻融循环产生的内部开裂和除冰盐存在下冻结产生的表面剥蚀是抗冻耐久性的两个基本问题。
- Abstract： The method and results of the st udy on formation condition for internal crack in continuous casting slab were re viewed. 摘 要： 评述了连铸坯内裂纹形成条件的研究方法和结果。
- Internal crack is the normal defect in hot-puncturing process,we can know internal crack is a complicated systematical problem by analyzing the causes of it. 内裂纹是钢管热轧穿孔中常见的缺陷,通过对内裂纹影响因素的分析,可以看出内裂纹问题实际上是个较为复杂的系统问题。
- The influence of internal crack on rock plank ratio and the mechaism Of forming blasting internal crack are discussed and the measures of controlling blasting internal crack are proposed. 本文阐明了爆破内伤对板材率的影响以及爆破内伤形成的机理，并简述了控制爆破内伤的措施。
- Keywords slab;eutectics;internal crack; 铸坯;共晶体;内裂纹;
- side internal crack of casting billets 铸坯边内裂
- The interrelation between different hypotheses of the formation mechanism of internal cracks is studied to find out the root causes. 通过对各种内部裂纹形成机理的研究，得到各机理间的相互联系和裂纹形成的根本原因；
- If this is true, premolars will contain internal cracks that could only come from shattering large foods such as nutshells. 如果这是真的，那么，前磨牙将包含只能由咬碎像坚果外壳一样的大块食物造成的内部裂痕。
- The purpose of NMP baking is to decrease amount of water from plastic packages prior soldering. As absorbed water vaporise in reflow, internal cracks and failures may be created. NMP的目的是为了减少烘烤的水量从塑料包装事先焊。由于水蒸发吸收的回流，可能会产生内部裂纹和失败。
- That was a cracking shot he played. 他这一下打得妙极了。
- There's a lot to be done, so let's get cracking. 工作很多，咱们开始干吧。
- Police are cracking down on drug dealers. 警方现对贩毒分子严惩不贷。
- They sat by the fire, cracking jokes. 他们坐在火堆旁讲笑话。
- Internal cracks were found to grow fast in the initial phase of drying, and to then develop into shapes that exhibited zigzagging with non-circular cross-sections and fractal-like boundaries. 泥饼裂缝在乾燥初期成长快速，接著发展成具非圆形截面与碎形边界之扭曲孔道。
- I can send him a note via the internal mail system. 我可以通过内部通信系统给他发个通知。
- Don't be angry. He is the man who likes cracking jokes. 不要生气，他是一个爱开玩笑的人。
- The convoy commodore sees to the internal management of the convoy. 舰队司令官负责管理舰队的内部问题。
- Plane Problems of a Finite Disc Containing an Internal Crack 含内裂纹的有限圆盘的平面问题
- In the evening we often sat around the stove, cracking jokes. 晚上，我们经常围着火炉坐着说笑话。
- This is not the season for internal quarrels. 现在不是内部相争的时候。
