| 释义 |
1. | 外壳顶盖 航海及海运专业词汇英语翻译(C27) ... closure flange 封闭凸缘 closure head 外壳顶盖 closure of port 封港 ... www.zftrans.com | 2. | 封头 核电站专业英语词汇 ... center disc 球冠 closure head 顶盖；封头 closure studs 顶盖螺丝 ... www.360doc.com | 3. | 封头顶盖 机械专业英语词汇... ... gasket groove 密封环(垫)槽 closure head 封头顶盖 closure head assembly 封盖组合体，封头组合体 ... www.mapeng.net |
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