塔式起重机是特别危险的，尤其是在市区用地变得更加拥挤时。攀登行动更是一个风险的行动，其灾难性非常高。

Tower cranes are particularly risky as urban sites become more congested, and the risk of a catastrophic event is very high during climbing operations.

youdao

塔式起重机是特别危险的，尤其是在市区用地变得更加拥挤时。攀登行动更是一个风险的行动，其灾难性非常高。

Tower cranes are particularly risky as urban sites become more congested, and the risk of a catastrophic event is very high during climbing operations.

youdao