metal lamp holder

常见例句

The utility model discloses a rechargeable lamp, including a cylindrical lamp holder, a helicoidal socket, a holder motherboard, a conduction metal sheet and a storage battery.
本實用新型公開了一種能充電的電燈，由圓筒燈座、螺圈燈口、燈座底板、導電金屬片和蓄電池組成。
ip.com
When mounting a fluorescent lamp, the locking device can tightly lock the metal lamp cap of the fluorescent lamp, thus the fluorescent lamp can not loose and fall off from the lamp holder.
在裝上日光燈時，這個鎖緊裝置能夠把日光燈的金屬燈頭鎖緊，日光燈不會從燈座中自行松動脫落。
ip.com