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。
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.
高管对某一行动方针的过度承诺，尤其是在过去行之有效的情况下，很可能会忽略问题初起的迹象，或在问题出现时误解这些迹象。
Heavy commitment by an executive to a course of action, especially if it has worked well in the past, makes it likely to miss signs of incipient trouble or misinterpret them when they do appear.
翟磊和他的团队通过用新的方法将纳米管融合在一起来创造了这种气溶胶。
Zhai and his team created the aerogel by fusing the tubes together in a novel way.
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