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通过对SSDB100井架式施工升降机进行改进,解决了原井架存在的部分问题,通过使用证明改进后井架更具安全性和可操作性。
Through the improvement of the SSDB100 derrick-type construction elevator, some problems existing in the original derrick are solved, and the improved derrick is proved to be more safe and operable through use.