nit-picking的用法和样例：
词汇搭配
- picking machine 果梗分离机
- leaf picking 采叶
- picking table 手选台,手选拣矸台...
- picking roll (采开铃棉花)采棉辊...
- picking drum 梳刷滚筒,梳摘滚筒...
- picking belt 挑选输送带
- fruit picking 采果
- bud picking 疏芽
- hand picking 人工挑选,手选...
- picking claim 挑剔索赔
- picking conveyor 手选胶带输送机,手选...
- order picking 按单拣货
- wool picking 拔毛
