Heavy floating crane is important equipment in the field of ocean engineering.
大型浮吊是重要的海洋工程作业设备。
Code for construction and acceptance of electric device of. crane electrical equipment installation engineering.
电气装置安装工程施工及验收规范。
Code for construction and acceptance of electric device of. crane electrical equipment installation engineering.
电气装置安装工程施工及验收规范。
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