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1. | | 2. | 复式阀 valve 阀门专业词汇A-Z ... DT Sparge steam supply DT 喷射蒸汽供给 dual valve 复式阀; 双联阀 dual-gravity valve 双比重阀 ... www.douban.com | 3. | 双阀 冲床安全装置选... ... 1.1 全转式冲床( FULL REVOLUTION PRESS) 6双阀( dual valve) 1.2 非全转式冲床( PART REVOLUTIO… www.punchmachine.cn |
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