1) external cause crack
外因裂缝
2) cracks on external wall
外墙裂缝
1.
Study on the causes of cracks on external wall of residence with frame structure and preventive measures;
框架住宅外墙裂缝原因分析及防治措施
3) exterior angle cracks
外角裂缝
1.
The article mainly introduces the causes and the prevention measures to pumping concrete floor exterior angle cracks, which is positively and practically significant to direct the construction and to avoid the pumping concrete floor exte- rior angle cracks.
文章具体介绍了现浇混凝土楼板外角裂缝的成因和预防措施。
4) exokinetic fissure
外成裂缝
5) external crack
外表裂缝
补充资料：不内外因
不内外因
三因学说中指饮食所伤、劳倦过度、外伤、虫兽所伤，以及溺水等多种致病因素。现代中医学中已很少用此分类法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条