Manhole

(noun.) a hole (usually with a flush cover) through which a person can gain access to an underground structure.

艾布拉姆编辑

• So I and the vice-president of the company, Mr. Mallory, crowded through the manhole to see why the ore would not come down. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• I have never heard of an explosion in a manhole where this chloroform had been used. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• I found that the cover of the manhole, weighing about 200 pounds, had entirely disappeared, but everything inside was intact. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• I concluded it was either leakage of gas into the manhole, or else the acid used in pickling the casting had given off hydrogen, and air had leaked in, making an explosive mixture. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• With these conductors and pipes must also be furnished manholes, junction-boxes, connections, and a host of varied paraphernalia insuring perfect general distribution. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

整理:利亚