knuckle thread

英 [ˈnʌkl θred] 美 [ˈnʌkl θred]

圆螺纹

机械



双语例句

  1. Test and Selection with the Tolerance of API 8th Roots Knuckle Thread and the Tighten up Torque
    API8牙圆螺纹公差与上扣扭矩的试验选择