The paper introduces the solution to the problem of combing drawing-off roller licked by linen.
介绍了对亚麻精梳机引出罗拉缠麻问题的攻关改造。
2
Having got off somewhere in suburbia, the artist walked backwards and forwards over a piece of grass until the squashed turf formed a line – a kind of drawing on the land.
Having got off somewhere in suburbia, the artist walked backwards and forwards over a piece of grass until the squashed turf formed a line-a kind of drawing on the land.