補縮冒口 的英文怎麼說
中文拼音 [bǔsuōmàokǒu]
補縮冒口
英文
feeding head-
Abstract : this paper has deduced a new method for risering , ? parametric method. it has proved with the test curve of the british castin g p ractice commission. practical results have well perfected furt her the perimetrischen quotlent method for risering. a conclusion is drawn that rise r supplement shrink efficiency is directly proportion to the ratio of casting to riser perimetrischen quotient
文摘:提出的冒口設計新方法?參數法,與英國鑄造實踐委員會給出的實驗曲線相互印證其實用性,進一步完善了冒口設計的周界商法;得出了冒口補縮效率與鑄件和冒口的周界商比值成正比的結論。
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