But after technicians managed to attach a large separation system bolt on the lower right side of the shuttle's belly, an internal nut slipped out of position and fell off.

但在技术人员将一个大的分离系统的螺栓连接到机腹右下侧位置时，一个内螺母滑脱掉落了。

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Finally, the paper further analyzes local road density, right-of-way, lane-width, separation facilities, and road-side parking issues.

并针对支路网的密度、红线宽度、车道宽度、分隔设置以及路边停车问题进行了深入分析。

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