1)Oval neck,椭圆颈，卵形颈2)round head bolt with oval neck,圆头椭圆颈螺栓3)oval head square neck bolt,椭圆头方颈螺栓4)conical journal,圆锥形轴颈5)oval,椭圆徵的，卵形的6)oval,卵形的，椭圆形的 n.卵形，椭圆形
用法和例句
" Bolts,round head with oval neck"
GB/T8262-1987圆头椭圆颈螺栓
Cup head square neck bolts
GB/T12-1988半圆头方颈螺栓
strong oval head square neck bolt
加强半圆头方颈螺栓
Cup head square neck bolts with large head--Product grade C
GB/T14-1998大半圆头方颈螺栓C级
Cup head square neck bolts with small head and short neck--Product grade B
GB/T801-1998小半圆头低方颈螺栓B级
Strengthened cap head square neck bolts
GB/T794-1993加强半圆头方颈螺栓
brass bolts and nuts with round head
黄铜圆头螺栓和螺母
slotted oval countersunk head wood screw
一字槽椭圆沉头木螺丝
Cup head nib bolts
GB/T13-1988半圆头带榫螺栓
Radii under the head of bolts and screws
GB/T3105-1982螺栓和螺钉的头下圆角半径
ellipsoidal head
椭球体的封头, 椭圆封头
A bolt having a looped head designed to receive a hook or rope.