| 1. | For coal drop pipe , it can he divided into two sections
对于落煤管，可将其分为2段。
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| 2. | 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。
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| 3. | May burning coals drop down upon them ; may they be thrown down into the fire , into deep pits , never to rise again
10愿火炭落在他们身上；愿他们被丢在火中，抛在深坑里，不能再起来。
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| 4. | 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。
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