释义 |
boreHbC:5, $bC:rn [U]Am usually gauge specialized The bore of a pipe or tube is the cylindrical hole along its length or the diameter (= measurement across the widest part) of this hole.内径,口径You need a pipe with a fairly narrow bore / a bore of 16 millimetres.你需要一根口径相当窄的 / 口径为16毫米的管子。
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