It has been introduced that cracking defect of female die cushion of forging machine has been analysed and its preventive heat treatment technology.
介绍了锻压机垫板的热处理工艺改进措施，从而防止了其开裂缺陷，提高了使用寿命。
The variety of walnut was classified according to related information. It' s necessary to crack soft walnut by machine. Cracking principle was put forward.
本文首先根据有关资料对核桃品种进行了分类，指出绵核桃机械剥壳取仁的必要性和重要性。
On the basis of the principles and structures of the cold cracking implant testing machine, the study on the implant equipment of reheat cracking test is reviewed in this paper.
在深入分析冷裂纹插销试验机的原理和结构的基础上，本文进行了插销式再热裂纹试验装置的研究工作。
In this paper, the principle and application of the Japanese MR-100W type welding restraint cracking test machine was introduced.
文中介绍了从日本引进的MR- 100 W型焊接拘束裂纹试验机的原理及使用性能和应用实例。
We normally use the punch or hydraulic machine to expand the steel tube, but since the impetus and velocity is difficult to control, the cracking rate of expanding the steel tube reaches to over 10%.
钢管扩管通常采用冲床或液压机来加工，但由于冲力和速度难以控制，扩管破裂率达10%以上。
A kind of testing machine used to study stress corrosion cracking of materials in natural environment and special environment was introduced, such as toxic atmosphere and corrosion medium.
介绍了一种可以用于研究材料在自然环境及特定环境(如有毒有害气氛、各种腐蚀介质等)下应力腐蚀性能的便携式拉伸应力腐蚀试验装置。
According to the cracking trouble of MDY-150 chainless haulage winning machine travel wheel's supporting base in working progress of working face, puts forward hanlding method.
针对采煤工作面生产过程中出现的采煤机行走轮支撑座开焊故障 ，对在无法直接焊接又难以拆装的情况下采取的简易方法进行了叙述。
Disc cutter is an important tool of shield machine to crush the rock during excavating tunnel, cracking efficiency of it directly impacts on the construction efficiency.
盘形滚刀作为盾构掘进机在掘进过程中破岩的主要刀具，其破碎效率直接影响了地下工程施工的效率和成本。
Disc cutter is an important tool of shield machine to crush the rock during excavating tunnel, cracking efficiency of it directly impacts on the construction efficiency.
盘形滚刀作为盾构掘进机在掘进过程中破岩的主要刀具，其破碎效率直接影响了地下工程施工的效率和成本。
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