短語詞組短語insulation blanket class 絕緣等級insulation endurance class 絕緣耐熱等級Insulation Type Class B 絕Insulation Type CLASS II 絕緣類型insulation blanket class voltage 絕緣等級電壓outer -insulation pollution class 外絕緣汙穢等級Insulation & Protection Class 絕緣性及防護等級standard insulation class 標準絕緣等級insulation class voltage 絕緣等級電壓 返回 insulation class