热应力裂纹的启动没有利用机械力。
The thermal stress cracking is initiated without the use of mechanical force.
最高级别的抗应力裂纹。
研究了水稻在干燥后存放过程中的应力裂纹规律。
Studied the fissuring of rough rice after drying and storage process.
研究了水稻在干燥后存放过程中的应力裂纹规律 。
Progress in research on stress cracks of corn drying process;
同时，焊接应力的存在和水质不良加速了裂纹的扩展。
Besides, the welding stress and wicked water accelerate the crack growth.
裂纹尖端附近有较大变形，应力集中明显。
Big distortion and stress concentration happened near the tip of crack.
其主要任务是确定构型裂纹尖端的应力强度因子。
The main job is to find the stress intensity factors for crack configurations.
裂纹缺陷周围的应力变形场是影响裂纹扩展的重要因素。
The stress field near crack tip is an important factor to effect crack extension.
在不同应力情况下，给出了结构的裂纹发生部位、裂纹扩展方向等模式。
The models for crack propagation position, expanded direction, etc. are put forward under various stresser.
在不同应力情况下，给出了结构的裂纹发生部位、裂纹扩展方向等模式。
The models for crack propagation position, expanded direction, etc. are put forward under various stresser.
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