semi portal crane的意思|示意
单脚高架起重机
semi portal crane相关短语
1、 semi-portal crane 半门式起重机,单脚高架起重机,半门型起重机,半门吊
2、 semi-portal bridge crane 半龙门起重机
3、 Semi-portal slewing crane 半门座起重机
semi portal crane相关例句
Semi-portal crane No. 4 has been put into operation for 30 years at Qingtong Gorge Hydropower Station.
青铜峡水电厂4 号半门式起重机投入运行已三十余年。
No. 4 semi-portal crane has been used in Qingtongxia Hydropower Station for more than 30 years.
青铜峡水电厂4号半门式起重机投入运行已30余年。