配合件 meaning in English

fitting piece
matching member
matching parts
mating member
mating parts

Mechanical vibration - balancing - shaft and fitment key convention
轴与配合件平衡的键准则
Production in optical engineering ; lens block holders with inside fitting
光学工程生产.用内配合件的镜片块夹具
Knuckle threads for steel sheet pieces up to 0 . 5 mm thickness and appropriated couplings ; dimensions , tolerances
厚度0 . 5mm以下钢板零件及配合件用圆螺纹.尺寸公差
Tightsen retaining adhesives can used for no threaded cylindrical metal assemblies , can increase the shear strength of press fits and slip fits
泰盛圆柱型零件固持胶系列产品用于增加压配合、滑动配合圆柱形非螺纹配合件的剪切强度。