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4. | 阀门手轮 valve 阀门专业词汇A-Z ... valve hammering 气门发出敲击声 valve handle 阀柄; 阀杆; 阀门手轮 valve head deposits 气门头积 … www.douban.com | 5. | | 6. | 气门操纵手柄 机械词典大全-机械资讯... ... valve guide wear limit； 气门导管磨损极限 valve handle； 气门操纵手柄 valve head； 气门头 ... www.mapeng.net |
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