螺丝灯座 meaning in English

edison base
edison screw lampholder
screw base
screw cap
screwbase
screwcap

Regarding lampholders , which include the bayonet lampholders and edison screw lampholders , they shall be provided with suitable marking , complying with relevant standards and of appropriate materials . for examples , the construction and dimensions of the lampholders shall comply with iec60061 - 2 , etc
灯座方面、包括卡口灯座及螺丝灯座，须有适当的标记、规格和材料等，例如灯座的制造及尺寸须符合iec60061 - 2等。