- square flange
- 方法: method; means; way; techniqu ...
- 兰: orchid fragrant thoroughwort ...
- 南方法兰西报: le meridional la france; le meridional-la france; meridional-la france le
- 法兰: [机械工程] flange
- 钢制管法兰连接强度计算方法: calculating method for the strength of steel pipe flanged joint
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