阿森德尔夫特（Assendelft）的瑙恩纳斯赫瓦特运河（Nauernasche Vaart）上的翻转桥，桥下有车辆行驶，展示了荷兰的土木工程技术 库存图片 阿森德尔夫特（Assendelft）的瑙恩纳斯赫瓦特运河（Nauernasche Vaart）上的翻转桥，桥下有车辆行驶，展示了荷兰的土木工程技术
Vienna austria february heavy industrial excavators parked on street for roadwork machinery including orange and blue crawler 库存照片 vienna austria february heavy industrial excavators parked on street for roadwork machinery including orange and blue crawler
Warsaw poland april a red crane operates with a heavy bucket to pour concrete at an urban building site showcasing heavy industry 免版税库存照片 warsaw poland april a red crane operates with a heavy bucket to pour concrete at an urban building site showcasing heavy industry
Warsaw poland april professional construction workers in safety gear stand inside a cordoned building zone to represent civil 免版税库存图片 warsaw poland april professional construction workers in safety gear stand inside a cordoned building zone to represent civil
Industrial yellow crane and loading machinery on a wooden pier structure over water in wuhan china march close up view of the 免版税库存图片 industrial yellow crane and loading machinery on a wooden pier structure over water in wuhan china march close up view of the
汉诺威1号煤炭驳船，装载着黑色煤炭粉尘，位于沙尔内贝克垂直船闸内部，一艘令人印象深刻的内河船只 免版税库存照片 汉诺威1号煤炭驳船，装载着黑色煤炭粉尘，位于沙尔内贝克垂直船闸内部，一艘令人印象深刻的内河船只
