常见例句Valve body uses comol material,lt is corrosion resistant and wear and tear resistant. 閥躰材質絡鉬鋼，耐腐蝕、耐磨損、經久耐用。2.Valve body uses comol material,lt is corrosion resistant and wear and tear resistant. 閥躰材質絡鉬鋼，耐腐蝕、耐磨損、經久耐用。 返回 comol