The production line breathes in less amount of air due to being provided with the encloser and movable doors, thereby effectively reducing environment pollution and improving operation environment.
生产线上设置罩壳和移动门，吸气量少，能够有效地减少环境污染、改善工作环境；
3
An air spring having a flexible sleeve is mounted between a pair of movable support components to maintain the components in a spaced relationship.