Delta Air Lines is utilizing a former EGYPTAIR Airbus A220-300 to help alleviate global parts shortages and ease supply chain issues. Aircraft lessor Azorra is working with the Delta Air Lines ...

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SA387Gr2级别最低回火温度为620℃。 四、SA387Gr2Cl1钢板的化学成分： 除按A20/A20M标准中补充要求真空碳脱氧钢的规定外，钢的化学成分应符合表1和表2的规定。 根据订货单的指定，钢板的拉伸试验性能应符合下表的相应要求。 当采用200mm的标距时，对厚度小于等于 ...