a projection used for strength or for attaching to another object
flange的用法和樣例：
例句
用作名詞 (n.)
Every lens has a mounting flange with which it is attached to the camera body. 每個透鏡都有一個安裝凸緣，依靠它才能把透鏡安裝到相機上。
The bottom flange and the diaphragms must be selected carefully to match the product. 為與產品匹配，需仔細選擇底部邊緣和隔膜。
Tnis measure method supplies reliable data for security analysis and designing installed flange of steam turbine' s vane. 此項技術可為汽輪機葉片安裝輪緣的設計和安全性分析提供可靠依據。
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