We rushed to the railway station, but found the train . (leave)
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Before I became an English major at an American college, I some English at high school in China. (learn)
Kathy the tickets by the time I got to the cinema by bike. (pick up)
The students did not understand until the teacher the theory in detail. (explain)
轴心拉力N对有横向集中力作用的偏拉(或拉弯)构件斜截面抗剪承载力有何影响?主要体现在何处?