Terms containing thread both ends

Subject	English	Chinese
anim.husb.	keeping both ends of skein thread	绪留
mech.	nipple both end plain thread	两端均为平端螺纹的短节
tech.	thread at both ends	螺旋柱
avia.	thread both ends	两端有螺纹
mech.	thread on both ends	双头螺纹
mech.	thread on both ends	两端带螺纹连接的