方: square头: 5点就得动身 have to start before ...铁: iron螺母: nut source; origin; parent方头铁螺钉: iron screw with square head; iron square head screw平头铁螺钉: iron screw with flat head双头铁螺栓: iron stud圆头铁螺钉: iron screw with round head铁螺母: nut椭圆头铁螺钉: iron screw with oval head蝶形铁螺母: iron thumb nut铁螺钉螺母: o steel nuts and bolts指拧铁螺母: iron thumb nut方头螺母: square-head nut方头锁紧螺母: square lock nut方头销紧螺母: square lock nut方头: rectangular head; square head; squarehead铁螺钉: iron screw铁螺栓: iron bolt铁螺柱: iron stud犁头铁: coulter; plow point螺母: nut; blind nut; cap nut; cover nut; screw nut; jam nut; lock nut; screwed cap◇螺母冲孔 nut piercing; 螺母锻造机 nut forging machine; 螺母攻丝机 tapper; nut tapping machine; 螺母机 nut machine; 螺母锁紧 nut check; nut lock; nut locking; 螺母攻丝 tap; 螺母制作机 nut making machine处方头: superscription方颅, 方头: cephalus quadratus方头铲: square ended shovel; square point shovel
