He made a working model of a steam engine out of old bits of metal.
他利用废旧金属片制成一个蒸汽引擎的工作模型。
The transfer model of the filled PTFE toward the metal counterface was also studied.
研究了填充聚四氟乙烯向金属匹配面的转移模型。
The model can be used to predict metal molten pool can guide the practical production.
运用此模型可预报金属熔池状况，指导实际生产。
Our company is an expert in development and production of die-casted metal aircraft model.
本厂专业生产锌合金飞机模型和塑胶飞机模型。欢迎来样生产欢迎批发。
The utility model relates to a machine which belongs to the class of metal cutting.
本实用新型属于金属切削类机械。
The utility model has wide application for extracting rare metal, noble metal and non-ferro metals.
广泛用于提炼稀有金属、贵金属、有色金属。
The utility model has wide application for extracting rare metal, noble metal and non-ferro metals.
广泛用于提炼稀有金属、贵金属、有色金属。
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