AnalyzerSentence analysis7SpansSentence製鋼にはフェロアロイが不可欠です。1000 character limitAnalyzeSentence製せい鋼こうにはフェロアロイが不ふ可か欠けつです。Span Details製せい鋼こうsteel manufacture; steelmakingnoun, suru verbにdirection, time, indirect object, or target markergrammarはtopic markergrammarフェロアロイferroalloynounがsubject markergrammar不ふ可か欠けつindispensable; essential; vitalna-adjective, nounです。be; is; arecopula, auxiliary出洲ですspit of land; sandspit