Plugor普卢戈尔
plugn.塞子;插头;推销;火花塞;口嚼烟v.塞;堵;宣传;插上插头;苦干
Plugge's test
plugging head
pluggingchart
plug ignition
plug the ears
plug polisher插塞抛光机
plugin design
plug and play
plug freezing
plug rheostat