吊装作业时,缆风绳与地面的夹角应在()之间。
2023-05-13
A.20°~25°
B.25°~30°
C.30°~45°
D.45°~60°
参考答案:C
B.25°~30°
C.30°~45°
D.45°~60°
参考答案:C
2019版教材P26页
缆风绳与地面的夹角应在30°~45°之间,且不得与供电线路接触。
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