紋孔口 的英文怎麼說

中文拼音 [wénkǒngkǒu]
紋孔口 英文
pit aperture
  • 紋 : 名詞（花紋; 紋縷兒） lines; veins; grain
  • 口 : Ⅰ名詞1 （人或動物進飲食的器官; 嘴） mouth 2 （容器通外面的地方） mouth; rim 3 （出入通過的地方） ...
  1. Rech. solid pins, sim thread, without split pin hole

    無開口銷孔的sim螺紋實心銷
  2. Rech. hollow pins, sim thread, without split pin hole

    無開口銷孔的sim螺紋空心銷
  3. Rech. hollow pins, sim thread, with split pin hole

    帶開口銷孔的sim螺紋空心銷
  4. Rech. solid pins, sim thread, with split pin hole

    帶開口銷孔的sim螺紋實心銷
  5. Rech. solid pins, iso thread, without split pin hole

    無開口銷孔的iso螺紋實心銷
  6. Rech hexagon head bolts with split pin hole. sim thread

    帶開口銷孔六角頭螺栓. sim螺紋
  7. Rech hexagon head bolts without split pin hole. sim thread

    無開口銷孔六角頭螺栓. sim螺紋
  8. Solid pins, iso thread, with split pin hole

    帶開口銷孔的iso螺紋實心銷
  9. Road vehicles - hydraulic braking systems - double - flare pipes, tapped holes, male fittings and tube seats

    道路車輛.液壓制動系統.雙擴口管，螺紋孔，外螺紋接頭和管座
  10. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是：根據光學玻璃的物理與化學性能，選擇輕型鏡坯材料；用有限元法對鏡子的變形進行分析、計算，找出變形規律，優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構；分析玻璃切削原理，設計專用磨輪結構，選擇合理工藝技術參數，完成400mm平面鏡輕量化減重孔的加工；分析氫氟酸腐蝕光學玻璃機理，尋找最佳酸濃度、腐蝕作用時間等工藝參數，實現400mm平面鏡減重孔應力與微裂紋的消除；討論分離器加工原理和工藝技術特點，完成400mm平面輕型鏡面形加工。
  11. Wallet with retractable id sleeve, id slot with monofilament window, internal key holder slot, three horizontal and three vertical card slots, extra storage slot, bill compartment with divider, quilted accent with heavy - gauge thread on exterior leather, embroidered icon, and metal bar logo accent

    錢包與可撤回的身份證袖子，身份證槽孔與單絲窗口，內部關鍵囤戶槽孔，三個水平和三個垂直的卡片槽，額外存貯槽孔，票據隔間以分切器，縫制了口音與重測量螺紋在外部皮革、被繡的像，和金屬棒商標口音。
  12. Automotive straight thread filler and drain plugs

    汽車直線螺紋加油口和排泄孔塞
  13. Analysis results of histogram statistics and section electron microscopic scan technique, are that fracture feature of the cracks of the hbbb is similar and the crack is multi - source strain fatigue one. internal defects of the cast, such as impurities, gas holes, etc, are the main causes for early cracks. the contrast analysis of static strength, model and transient respond on three structures with fem proves that geometrical stress concentration in partial area has influence on early crack, also

    利用直方圖等統計方法和電鏡掃描技術對該抱軸箱體裂紋分析的結果是：抱軸箱體的裂紋斷口特徵相近，裂紋性質屬于多源性低周疲勞裂紋，鑄件中的夾雜、氣孔等內部缺陷是導致過早裂損的主要原因；利用有限元法對該抱軸箱體三種結構的靜強度、模態和動態響應對比分析，證實了局部幾何性應力集中對過早裂損也有一定影響。
  14. Aircraft bolts and nuts - nuts, hexagonal, slotted castellated, reduced height, iso m or iso mj threads, 4h5h or 5h tolerance class according to diameter

    飛機用螺栓和螺母. iso m或iso mj螺紋直徑公差等級h h或h .帶槽帶缺口減少高度帶鎖緊孔左旋普通六角螺母
  15. He was unmistakably trying to find something to say, and unable to find anything. boris, on the contrary, was at home immediately and talked easily and playfully of the doll mimi, saying that he had known her as a young girl before her nose was broken, and she had grown older during the five years he remembered her, and how her head was cracked right across the skull

    顯然，他想開口說話，但卻找不到話題鮑里斯正好相反，他一下子就想到了應付的辦法，沉著而戲謔地講起洋娃娃咪咪的事，說他認識它的時候，它還是個小姑娘，當時它的鼻孔還沒有碰壞，他記得在這五年內它變老了，頭頂也現出裂紋了。
  16. Rech. aircraft fasteners. solid pins, threaded, with split pin hole. iso thread.

    飛機緊固件.帶開口銷孔的實心螺紋銷. iso螺紋
  17. Stress analysis in variation state at crack tip and notch crown tip

    橢圓孔口端點和裂紋端點處的變動態應力分析
  18. Stress analysis in variation states at crack tip and notch crown tip is presented

    摘要分析了橢圓孔口端點和裂紋端點處的變動態應力。
  19. Connections for general use and fluid power - ports and stud ends with iso 261 threads with elastomeric or metal - to - metal sealing - part 1 : threaded ports

    一般用途和流體動力用連接件.帶彈性體密封件或金屬對金屬密封件的iso 261螺紋的孔口和螺柱端.第1部分:帶螺紋的孔口
  20. Connections for general use and fluid power - ports and stud ends with iso 261 threads with elastomeric or metal - to - metal sealing - part 3 : stud ends with metal - to - metal sealing type b

    一般用途和流體動力用連接件.帶彈性體密封件或金屬對金屬密封件的iso 261螺紋的孔口和螺柱端.第3部分:帶金屬對金屬密封件的螺柱端b型
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