双头

• Doppler velocity measurement of duplex ammunition
  双头弹多普勒测速研究
• Interior ballistics model of duplex ammunition
  双头枪弹内弹道分析模型
• Double end coil cradle with motor smt - 300
  双头材料架有动力smt - 300
• Double head horizontal riveting machine two heads in opposite position
  双头卧式铆接机对铆机
• On different costs - based brand double - end pricing game
  基于不同成本下的伯川德双头定价博奕
• Glass vertical drill glass double heads
  玻璃立式双头钻孔机slz225
• Railwau fixed equipment . sleeper screws for double - head rails
  铁路固定设备.双头钢轨用枕木螺钉
• Air drag coefficients of large calibre duplex ammunition
  大口径机枪双头弹空气阻力系数的实验研究
• Type , dimensions and specifications of pn 250 mpa stud bolts
  Pn250mpa双头螺柱型式尺寸和技术条件
• Combinations of double - end wrenche gaps
  双头扳手的对边尺寸组配