arch camber meaning in English

拱翘起
拱矢
拱势力
起拱

The measures against coal arch camber in planomural coal bin and coal drop pipe are proposed by analyzing practical cases
通过实例分析，提出了解决煤仓及落煤管落煤起拱的措施。
The influencing factors of coal arch camber in planomural coal bin and coal drop pipe with rectangular or circular cross section during coal drop are studied theoretically
摘要对落煤过程中平壁煤仓及截面形状分别为矩形、圆形的落煤管起拱的影响因素进行理论研究。