側角螺科 的英文怎麼說

中文拼音 [zhāijiǎoluó]
側角螺科 英文
pleuroceridae
  • : 側形容詞[方言] (傾斜; 不正) slant; sloping
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  • : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
  • : Ⅰ名詞1 (學術或業務的類別) a branch of academic or vocational study 2 (機關按工作性質而分設的單...
  1. 3. the trapping characteristics of ordinary helical gear pump are lucubrated by theory for the first time, the theoretic relation of the gear rotor between the end overlap coefficient and trapping phenomenon is discussed respectively with clearence or without clearcence, and the relation of trapping volume with the rotational angle turn is also discussed. the selective range of the helical angle that can eliminate completely the trapping of helical gear pump is gained, which never appeared in literature before

    首次對普通斜齒齒輪泵的困油特性進行深入的理論研究,分別討論了有隙和無隙時普通斜齒齒輪泵轉子的端面重合度與困油現象之間的理論關系,以及困油容積隨轉的變化關系,得到了完全消除斜齒齒輪泵困油沖擊的機械學研究院博士學位論文的選擇范圍。
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