齒形犁 的英文怎麼說
中文拼音 [chǐxínglí]
齒形犁
英文
tine plough-
Molecular phylogenetid tree is constructed by nj and mp method of mage2. 0. the classed result of rhabdosargus, taius and sparus is in consistent with that of morphology, while p. major, e. japonica and a. spinifer assemble one branch in nj molecular phylogenetid tree, p. major and e. japonica assemble one branch in mp molecular phylogenetid tree, which is different with the traditional viewpoint that classing the three strains for different category
用mega2 . 0軟體中的nj法和mp法構建分子系統樹，其中黃鯛屬、平鯛屬和鯛屬分類的結果與形態分類學的觀點相吻合；而在nj分子系統樹中，犁齒鯛、真鯛和高背四長棘鯛聚成一支，在mp分子系統樹中，犁齒鯛和真鯛聚成一支，這與傳統分類學上把這三種鯛歸為三個不同屬的觀點不一致。Various successive partial plastic forming methods for processing groove, including thread rolling, cross rolling and skew rolling, splitting, rolling of spline shaft, split rolling, open - die extrusion of spline shaft / gear, extrusion of internal screwed tooth socket parts with large helical pitch, integral cold forging for slot commutator, extrusion - ploughing for outside fin tube, drawing of tube with spiral internal / external ribs etc. have been introduced briefly
摘要介紹了用於加工槽的各種連續局部塑性成形方法，包括螺紋軋制、橫軋與斜軋、分劈、花鍵軸滾軋、劈分軋制、花鍵軸齒輪開模擠壓、花鍵套擠壓、槽型換向器整體冷鍛、外翅片管擠壓一犁削、內外螺紋管拉拔等。
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