短語詞組短語gas anchor packer 氣錨封隔器oil well gas anchor [油氣]油井氣錨gas -sand anchor 氣砂錨multicup isoflux gas anchor 多盃等流型氣錨gas and sand anchor [油氣]氣砂錨;氣砂錨decentralized gas anchor 偏心氣錨the gas anchor 氣錨closed -type gas anchor 閉式氣錨corrugated multicup isoflux gas anchor 瓦稜狀多盃等流型氣錨 返回 gas anchor