1.
plug-and-feather method
半圆铁棒夹楔劈石法
2.
Between this and the railway extended vast plains, plentifully irrigated.
在这座半圆形大山和铁路之间是一片河川纵横的大平原。
3.
double radius button head snap
双半径半圆头铆钉窝子
4.
The half dome over an apse.
穹内半圆顶教堂后部的半圆形穹顶
5.
dangerous sector
危险半圆(北半球危险半圆在风暴轨迹的右边
6.
Woodruff keys--Types and dimensions
GB/T1099-1979半圆键型式尺寸
7.
a semicircle of chairs
排列成半圆形的椅子
8.
(used of the moon) more than half full.
（用来指月亮）大于半圆。
9.
Round head rivets
GB/T867-1986半圆头铆钉
10.
Round head rivets--Black
GB/T863.1-1986半圆头铆钉(粗制)
11.
precision semi-automatic universal cylindrical grinder
精密半自动万能圆磨床
12.
Cup head nib bolts
GB/T13-1988半圆头带榫螺栓
13.
Cup head square neck bolts
GB/T12-1988半圆头方颈螺栓
14.
strong oval head square neck bolt
加强半圆头方颈螺栓
15.
a theater that offers semicircular seating.
提供半圆形坐椅的剧院
16.
reentrant cylindrical cavity
圆柱形凹腔, 半同轴空腔
17.
working flank radius
齿廓工作段圆弧半径
18.
large oval head socket shank rivet
大扁圆头半空心铆钉