例句 |
They could hear the girders straining.他们能听见大梁压弯的声音。Construction workers had to spend the night ramming iron girders into place to support the building.建筑工人不得不花了一晚上用力把支撑大楼的铁梁安装好。The steel girders were hoisted into place and securely welded.钢梁吊装到位并被焊牢。 |