And yet, in the period between first recess and orange juice time, I had faced the bitter reality that all that was left was a square peg and a round hole.
但是，第一节课的快下课了，我无奈的发现，我只剩下了一个方楔子和一个圆形小钉板。
By adopting square rod support instead of the round rod support, the shear action between the pipe bundle and support structure can be reduced at a high degree.
把杆式支撑结构中的圆杆支撑改为方杆支撑，很好地减小管束与支撑结构间的剪切作用。
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