为验证本文研究的塔式起重机计算机辅助设计平台的正确性，对某厂生产的5012塔机的塔身进行了再设计。

For verifying accuracy of the investigative platform, we designed the tower crane mast again about the type of 5012.

youdao

为验证本文研究的塔式起重机计算机辅助设计平台的正确性，对某厂生产的5012塔机的塔身进行了再设计。

For verifying accuracy of the investigative platform, we designed the tower crane mast again about the type of 5012.

youdao