heavy section castings 中文意思是什麼
heavy section castings
解釋
大斷面鑄件-
The metamorphous graphite in the section center of heavy section s. g. iron castings is superspheroidal graphite, and not the product of degeneration along the direction from shperoidal graphite to vermicular or flake graphite
大斷面鑄件中心的變態石墨是過球化石墨,而不是球狀石墨向蠕蟲狀石墨或片狀石墨方向衰退的產物。
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