... 英制标准管螺纹 British Standard pipe thread 英制标准铜管螺纹 British Standard brass thread 英制标准细牙螺纹 British Standard fine thread ...
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N a Whitworth screw thread having 26 threads per inch, used for thin-walled tubing and designated by the diameter of the tubing 英国标准铜管螺纹 ( abbr: BSB) [engineering]
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