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| 英国惠氏标准螺纹; 英国标准惠氏螺纹 | |||
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| 〔英〕英国惠氏标准螺纹 | |||
| English thesaurus | |||
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| BSW thread (Vosoni) | |||
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British Standard Whitworth Thread : 1 phrase in 1 subject |
| Mechanics | 1 |
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