bessemerizing
plural of froggy
(organic chemistry) A bicyclic heterocycle containing a pyridine ring fused to that of dihydropyridine ring
present participle of bessemerize
plural of anemometrograph
技師が入ってきたとき、その製鋼所はベッセマー法で銑鉄を鋼に転換していた。
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