短语
螺丝口灯头
edison socket
;
Screw Socket
螺丝口
screw-socket
丝口接头
screwed fitting
螺丝口残损
screwing threads damaged
铁管丝口标准
iron pipe thread standard
吐丝口
orifice of spinneret
消火栓丝口铜出口
hydrant nipple
丝口万向脚轮
Threaded Swivel caster
丝口刹车脚轮
Threaded Brake caster
丝口刹车
Threaded Brake