低合金耐热螺栓钢广泛应用于大功率汽轮机等发电设备中。
Low alloy heat-resistant bolting steel is widely applied in large-capacity steam turbine and other generating machinery.
轮子旋转时需要承受巨大的和不断变化的压力，所以要使结构更坚固，钢的部分要用螺栓连接，而不是焊接在一起。
The wheel would need to withstand immense and constantly changing stresses as it rotated, so to make the structure more robust, the steel sections were bolted rather than welded together.
这个单独的巨大钢件- - -实际上是一个螺栓，在不久之后将被置于一个大型燃汽涡轮机的中心，该涡轮机发电量足可以满足一个小城市的需要。
This single, enormous hunk of steel-in essence, a huge bolt-will soon be at the centre of a gas turbine big enough to meet the electricity needs of a small city.
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