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Terms containing air well | all forms | in specified order only
SubjectEnglishChinese
hydroel.st.air well通风井
hydroel.st.air well通气井
tech.air well隧道的通风竖井
mining.injection well-air注气井
mining.injection well-air气井
mining.injection well-air空气注入井
tech.moving liquid out of well bore with water mixed with air混气水排液
tech.well cleaning with air compressor空压机洗井