screwed hole中文意思是什麼

screwed hole解釋
螺紋孔

  • screwed: 綁架計劃
  • hole: n 1 洞,穴,孔;(衣服等上的)破洞;傷口;漏洞;窩,坑;水流的深凹處,(河道的)緩流窪。2 (獸的...

※英文詞彙screwed hole在字典百科英英字典中的解釋。

  1. At present, the competition of oil industry is very fury, so reducing the cost of exploitation of oil is imperative under the situation. but the oil drillers of our country are relatively old, and the control mode drops behind, which result in the long period of making hole and high ratio of aiguille attaint, which is the main restrict factor of reducing the cost of oil exploitation

    隨著石油行業競爭的日趨激烈,降低石油的開采成本就勢在必行,於是研製新型的石油鉆機就顯得尤為重要,因為國內目前使用的鉆機比較陳舊,控制方式非常落後,導致鉆井周期長、鉆頭損壞率高,這是降低石油開采成本的重要制約因素;而且落後的控制方式使得鉆井過程容易發生溜鉆、卡鉆等事故。
  2. Air hole grate

    氣孔爐蓖
  3. Planting bar used syringes from the bottom of the hole to put adequate amounts of external uniform adhesive filling injection hole, pay attention not to air hole inclose

    使用植筋注射器從孔底向外均勻地把適量膠粘劑填注孔內,注意不要將空氣封入孔內
  4. Supermassive black hole in andromeda galaxy

    仙女座大星系內的大黑洞4 02
  5. The plate was loaded in its own plane by a pin passing through the hole in an annular disc fitted in the hole in the plate.

    平板的孔裏面鑲嵌著一個套環,在此圓盤的孔中穿過一個銷釘而使平板在其自身平面內受載。
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