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龙门式起重机
释义
龙门式起重机
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释
gantry crane
龙门式起重机
金属结构为门形框架,承载主梁下安装两条支脚,可以直接在地面的轨道上行走,主梁两端具有外伸悬臂梁的起重机械。又称门式起重机。
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defense lawyer
Defense Map of the Great Coast
defense mechanism
defense of first-performance
defense of negotiable instrument
defense of psychological operations
defense of respiratory system
Defense of Sihang Warehouse
defense of uncertainty
defense of unperformed contract
Defense Satellite Communication System
Defense Science and Technology Thesaurus
defense system analysis
Defense Technical Information Center
defense wound
defensible space
defensin
defensive behavior of livestock
defensive competitive intelligence
defensive competitive intelligence method
defensive competitive intelligence technology
defensive expenditures
defensive information operations
defensive innovation
defensive listening
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