网络释义专业释义
screw-socket 螺丝口 ; 螺口插座
screw socket bulb 螺丝口灯泡
porcelain screw socket 瓷螺丝灯座 ; 瓷质螺丝灯座
socket-head screw socket screw 凹头螺钉
socket head cap screw 内六角螺钉 ; 内六角螺丝
hexagonal socket head cap screw 杯头螺丝 ; 圆柱头内六角螺钉
socket hexagon screw 内六角螺钉
a screw socket bulb 罗口灯泡
应用推荐