词汇	external thread protector
释义	external thread protector 外护丝
随便看	electrocatalytic hydrogenation Electrocatalyticl oxidation electrocatalytic oxidation electrocatalytic-oxidation electrocatalytic oxida-tion electro-catalytic oxidation Electro-catalytic oxidation electro-catalytic oxidation technology Electro-catalytic performance electrocatalytic reactor Electrocatalytic reduction Electro-catalytic reduction electrocatalytic reduction of dioxyen electrocatalytic synthesis electrocatalytie oxidation electrocathode electrocathodoluminescence electrocatrdiogram Electro-catylic reduction electrocauter electrocauteries electrocauterization electro-cauterization electrocauterization of cervix electrocauterizations