介绍了由弹性钢环制成的应变式力传感器及其制作工艺，特别是弹性元件经过热处理后改善了弹性特性。
The strain force transducer made of elastic steel ring and the fabricating technique are introduced. The elastic characteristic of the elastic element has been improved by heat treatment.
重点论述了南环大桥四柱式桥塔结构、缆索体系、全焊接钢加劲梁、环氯沥青桥面铺装等关键技术。
The segment assembling connection is a key procedure during the construction of truss stiffening girder of long span suspension bridge.
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