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metal structure | |||
metal work | |||
metal structures | |||
metallic structure; structure of metal (The two cast irons contain 2.4 to 4.0 per cent of carbon but the difference lies in the condition in which the major portion of the carbon exists in the structure of the metal. 这两种铸铁都含有2.4% -4.0%的碳,但二者的大部分碳在金属结构中的存在状态却不相同。) | |||
metal construction | |||
metal fabrication |
金 属结构 : 85 phrases in 18 subjects |