... cylinder type synchronous generator 圆柱磁场式同步发电机 cylinder vacuum filter 圆筒真空过滤机 cylinder valve 汽缸阀 ...
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... barrel union 筒形管评论申辩 barrel vacuum filter 圆筒真空过滤机 barrel-type airless shot-blasting machine 滚筒式抛丸收拾整理机 ...
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