| 例句 |
A steel girder may warp in a fire.钢梁遇火会变弯。They riveted the steel beams together.他们把钢梁铆接在一起。The builders have propped up the walls with steel beams.建筑工人得用钢梁把墙壁撑住。Workers used steel beams to brace the roof.工人们用钢梁支撑屋顶。The steel girders were hoisted into place and securely welded.钢梁吊装到位并被焊牢。Fire officers used cutting equipment to free his legs, which were trapped under a steel beam.消防队员们用切割设备松开他被压在一根钢梁下的双腿。 |