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

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。

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Bioherm type comprises tower reef, patch reef, massive reef, platform-edge reef and atolls etc.

生物礁类型有塔礁、补丁礁、块礁、台地边缘礁、环礁。

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Bioherm type comprises tower reef, patch reef, massive reef, platform-edge reef and atolls etc.

生物礁类型有塔礁、补丁礁、块礁、台地边缘礁、环礁。

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