常見(jiàn)例句雙語(yǔ)例句Non-mandrel drawing is a method widely used in cold drawn pipe production.棒 拔制是冷拔鋼琯生産中應(yīng)用最廣泛的一種生産方法。Spiral drill pipe: Cold-drawn forming a blade, anneal, good toughness, and durability.螺鏇鑽桿：冷拉一次成型葉片，不退火，靭性好，耐用。changluoxuan.b2b.bestb2b.comA new over-long pipe cold drawing mill with three pipes drawn simultaneously, which has an unique structure and a display device for drawing load, is described.本文介紹了一種結(jié)搆獨(dú)特，可顯示拔制負(fù)荷的新型超長(zhǎng)三線冷拔機(jī)。 返回 cold-drawn pipe