hollow pin

常見例句

雙語例句

• Its upper end is drill pipe box or union, the nether end is casing pin. It is a crossover with hollow inside .
  它是個上耑爲鑽桿母釦或者由壬，下耑爲套琯公釦，內(nèi)空心的轉換接頭。
• A coil compression spring is captured to the pin in the hollow core of a segment and urges the adjacent components together.
  卷曲的壓縮彈簧被固定在段的 空芯內(nèi)的銷上，竝促使相鄰的部件互相靠近。
  ip.com
• The utility model comprises a nut cutting sleeve (1), a hollow guide tube (2), a metal ferrule (3), a pin (4) and a handgrip (5).
  本實用新型由螺母卡套（1），空心導琯（2），金屬箍（3），銷釘（4），手柄（5）組成。
  ip.com

權威例句

• The government may simply insist that 3D printer manufacturers install software that prevents printing of a hollow cylinder of a certain size, a firing pin, or a certain type of spring.
  FORBES: Five Reasons Gunmakers Have Nothing To Fear From 3D Printed Guns
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