螺紋頭數 的英文怎麼說

中文拼音 [luówéntóushǔ]
螺紋頭數 英文
number of starts of thread
  • : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
  • : 名詞(花紋; 紋縷兒) lines; veins; grain
  • : 數副詞(屢次) frequently; repeatedly
  1. Gas cylinders. taper screw thread for valve stem and cylinder neck assembly. nominal diameter 28. 3 mm, taper 3 25, 14 tpi, whitworth form

    氣瓶.閥門堵和氣瓶頸口組件用錐體.公稱直徑28 . 3毫米,錐度3 25 ,每英寸14 ,惠氏
  2. Cnc manufacturing functions : 2 - cordinate and 2 - axis combined movement, can manufacture external circular, curve neck, ball head, metric / inch thread , taper thread and so on

    控加工功能:兩坐標兩軸聯動外圓、曲頸、球、公/英制、錐等加工。
  3. The main target of the research is to design and manufacture a cat ( computer aided test ) system of joint internal thread, in order to improve the measuring accuracy and quality of the joint internal thread of bao steel inc. this paper analyzes the success and limitation of the former design, and introduces a double probe system

    本文目的是研究開發一套接觸式油管接計算機測量系統,滿足寶鋼公司提出的內檢測的要求。論文在分析前人研究設計中的成功經驗和不足的基礎上,提出了雙針測量的系統方案,並對測量系統的字濾波、演算法模型和誤差分析進行了深入的研究。
  4. Parametric design of threads on rotary shouldered connections for petroleum industry

    石油鉆桿接化設計
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