access shaft meaning in English
交通井
交通竖井
进口竖井, 进入井
进人竖井
竖井通道
中空竖井
Examples
- Construction of underground powerhouse access shaft of taleghan hydropower and water conservancy project in iran by use of multiple shaft slide forms
伊朗塔里干水利枢纽地下厂房交通竖井多井滑模与施工