单词	Hopeioceras
释义	Hopeioceras 河北角石
随便看	surface hardening by flame heating surface hardening carbon black surface hardening carbou black surface hardening, inductive surface hardening of steel by heating surface hardening rail surface hardening steel surface hardening technology Surface Hardening Treatment surface-hardening treatment surface hardness surface-hardness treatment surface harm surface harmonic surface harmonicals surface harmonic function surface harmonics surface having stratified functional properties surface haze surface haze effect surface heat Surface heat coefficient surface heater surface heat exchanger Surface heat-exchanger