service cylinder gas bottle的意思|示意
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英 / /
用气瓶
service cylinder gas bottle的网络常见释义
检修用瓶 制冷装置试验与操作英语 ... 制冷剂瓶 refrigerant cylinder,gas bottle 检修用瓶 service cylinder,gas bottle 紧急泄放阀 emergency-relief valve ...