nominal bore 中文意思是什麼
nominal bore
解釋
標稱內徑-
Shipbuilding. kingston valves, nominal bore 50 - 175 mm. body
造船工業.標稱孔徑"金士頓"閥門.閥體 -
Shipbuilding. kingston valves, nominal bore 200 - 500 mm. nomenclature of parts
造船.標稱直徑mm "金士頓"閥門.零件名稱 -
Shipbuilding. kingston valves, nominal bore 50 - 175 mm. nomenclature of parts
造船工業.標稱孔徑mm "金士頓"閥門.零件名稱 -
Shipbuilding. kingston valves, nominal bore 200 - 500 mm. body
造船工業.標稱孔孔mm "金士頓"閥門.閥體
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