单词	镰刀石
释义	同砥石--镰刀石
随便看	cobaltacetylacetonate cobaltacid arsenite cobalt adamite cobalt adamite (cobaltoadamite) cobalt adamite -pentlandite cobalt alloy permanent magnet cobalt alloys cobalt alum cobalt aluminate cobaltaluminate cobalt aluminium oxide cobaltaluminum oxide cobaltamide cobaltamidosulfonate cobaltammine cobalt ammonium alum cobalt arsenide sulfide cobaltarsenite cobaltaustinite cobalt autunite cobaltazide cobalt based alloy cobalt-base hard facing alloy cobalt-base heat-resisting alloy cobalt-base permanent magnet material