socket head screw
常见例句
- As for the utility model, the lamp head containing the screw-socket or the socket and the supply transformer and the lighting bulb are two separate parts, connectable and dismountable.
本實 用新型將含有螺口或插口及電源變壓器的燈頭部分與發光躰燈泡設 計爲兩個獨立組件、可裝接、可脫卸。
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