（组合）零件，部件，（组）成（部）分

1. 构件：角钢 angle steel | 构件 component part | 机械损伤 mechanical damage

2. 电路部件：component mounting 元件装配 | component part 电路部件 | component reliability 元件可靠性

3. 构件 (组合)零件 部件：comply with 遵守 | component part 构件 (组合)零件 部件 | comprehensive analysis and judgement 综合分析判断

4. 组成部分：component of force 分力 | component part 组成部分 | component register 部分寄存器

noun

1. something determined in relation to something that includes it

e.g. he wanted to feel a part of something bigger than himself
I read a portion of the manuscript
the smaller component is hard to reach
the animal constituent of plankton

Synonym: partportioncomponentconstituent