| 释义 |
manholes 释义 n. 人孔(manhole 的复数);[建]检修孔 例句 1·Why are manholes round? 为什么井盖是圆的? 2·It involves manholes and endless ladders. 通过人孔和数不尽的梯子。 3·Close all blind flanges, inspection holes and manholes . 关闭所有盲法兰盖、并检查各个孔和人孔。 短语 1·manhole cover [口]井盖;升降口盖;圆盘状平的东西
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