roving

Be careful of Brian—he’s got a roving eye.

小布赖恩—他总是贼眼熘熘的。

Ratching in roving.

粗纱成形。

FA478 increases the itinerancy pneumastic suction motion ,it makes the roving yarn evenness to improve.

FA478增加了巡回式吹吸风装置，使粗纱条干均匀度明显提高。

The thesis explain the production process and process specification of the raw material pretreatment, scutching. dressing. drawing. roving. spun yarn.

阐述了原料预处理、清花、梳棉、并条、粗纱、细纱的生产工艺和工艺原则。