介绍了主索和塔架、风缆系统的设施及工程方面的要求。

Introduced here are the engineering requirements in the main cable, the tower frame and the storm-proof system.

youdao

介绍了主索和塔架、风缆系统的设施及工程方面的要求。

Introduced here are the engineering requirements in the main cable, the tower frame and the storm-proof system.

youdao