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Terms containing gravity drop hammer | all forms | in specified order only
SubjectEnglishChinese
tech.airlift gravity drop hammer蒸汽重力落锤
tech.airlift gravity drop hammer单作用空气锤
tech.airlift gravity drop hammer空气重力落锤
bridg.constr.gravity drop hammer重力式落锤
met.gravity drop hammer重力落锤
tech.gravity drop hammer重力落锤
met.gravity-drop hammer重力落锤