哺乳动物将营养物质输送到骨细胞的微小管道是平行排列的，而鸟类的管道则是随机排列的。

Whereas in mammals the tiny tubes that convey nutrients to bone cells are arrayed in parallel lines, in birds the tubes form a random pattern.

youdao

羊线：羊线部分设备：羊v型输送，羊平行预剥，羊线用凉肉钩、吊钩、叉挡、扣脚链。

Sheep Slaughtering and Processing Line: V-type Conveyor, Parallel Pre-Dehiding, Meat Cooling hook, Hanger, Fork Block, Shackle Chain and so on.

youdao

在该表是一个永无休止的通过路径平行板运动轨迹转动皮带输送机一侧对齐。

At the side of the conveyor the sheets are aligned by an endless belt rotating through a path parallel to the sheet movement path.

youdao