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Application example of heavy corrosion protection engineering was given.
给出了重防腐工程的应用实例。
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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。
youdao
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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。
youdao