Flowering vines sent up creepers from every crack in the wall or pavement, and young trees had taken root in the walls of abandoned shops and roofless temples.
开花的藤本植物爬满了墙上和人行道的每个裂缝，幼嫩的树苗则在废弃的商铺和无顶的庙宇墙上扎根。
It was considered that transverse cold cracking on surface due to cold shuts in ingots was the root cause of the crack defects.
指出铸锭中的冷隔形成的表层横向冷裂纹是最终形成裂纹缺陷的根本原因。
This article, first, mathematical models of one kind of gear fault in one— stage gearbox (the fatigue crack on root of tooth) are established on the basis of gear dynamics.
本文以齿轮动力学为基础，推导并建立了单级齿轮传动的一种齿轮失效的数学模型，即：齿根裂纹数学模型。
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