多选：在桅杆滑移法吊装试吊过程中，发现有哪些现象时，应立即停止吊装或者使工件复位，判明原因妥善处理，经有关人员确认安全后，方可进行试吊（）A．地锚

题目内容：
在桅杆滑移法吊装试吊过程中，发现有哪些现象时，应立即停止吊装或者使工件复位，判明原因妥善处理，经有关人员确认安全后，方可进行试吊（）
A．地锚冒顶、位移
B．设备或机具有异常声响、变形、裂纹
C．桅杆地基下沉
D．其他异常情况
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