plugn.塞子;插头;推销;火花塞;口嚼烟v.塞;堵;宣传;插上插头;苦干
plug jack插孔
plug typeadj.插头形的
plug pump旋塞泵
plug bolt膨胀螺栓
plug fuse插塞式熔丝,插入式保险丝
Plug pack填塞裹布
plug door平拉门
plug pipe塞管
plugstick塞杆,泥塞杆
plug wire插线