名词
中文翻译：Unknown
同义词：
['fan-shaped access', 'fan-shaped opening']
例句：
-
1.The construction crew had to remove the fan-shaped manhole before they could continue work.
施工队在继续工作前必须移除这个扇形人孔。
-
2.The engineers found a fan-shaped manhole in the tunnel and decided to repair it immediately.
工程师们在隧道里发现了一个扇形人孔，决定立即修理它。
-
3.The fan-shaped manhole was designed to allow for easy access to the underground passages.
这个扇形人孔的设计是为了方便进入地下通道。