短語詞組短語secondary gas recovery 二次採氣secondary y recovery 二次開採secondary thermal recovery 二次熱採secondary thermal recovery mode 二次熱採模式Secondary resources recovery 二次資源廻收secondary oil recovery [油氣]二次採油secondary production recovery 二次開採deepwater secondary -recovery projects 深水二次開採項目secondary recovery waterflood 二次開採注水 返回 secondary recovery