gas purging
短语词组
- gas press purging 气体清扫
- inert gas purging 惰性气体驱气
- gas purging method 气体冲洗法
- gas purging degassing gasoff 气体排除
- automatic gun gas purging equipment 机关炮排烟装置
- Oil and gas purging system 油气驱除
- Auxiliary Purging Gas 辅助吹扫气
- purging from gas to air 空气置换煤气 返回 gas purging