www.eliters.cn-色一情一区二区三区四区,亚洲天堂在线观看,丰满少妇作爱视频免费观看,毛茸茸厕所偷窥XXXX

  • <kbd id="kcyi0"><acronym id="kcyi0"></acronym></kbd>
  • <th id="kcyi0"><s id="kcyi0"></s></th>
     Your current location: > Home  >Products  >Gear series
    Angular Gear
    Hits:711  Addtiime:2019-10-21 [Print] [Back]

    Gears are toothed mechanical parts which can be engaged with each other. It is applied widely in the field of mechanical transmission and the whole mechanical field. The modern gear technology has the following advantages: the module of gear is 0.004 to 100mm; the gear diameter is 1 to 150mm; the transmitted power is up to a hundred thousand kilowatts; the rotating speed is up to hundreds of thousands of revolutions per minute; and the highest circumferential velocity is up to 300m/s.
    The accuracy and finish of straight gears, contrate gears, drum gears, spiral bevel gears and helical gears produced by our company have reached the advanced level, and are constantly improved.

    Copyright © 2019    Copyright Wuxi Ruier Precision Machinery Co., Ltd.  蘇ICP備09073427號-3

    久久精品免费一区二区三区| 精品欧美一区二区三区久久久| 原来神马在线观看免费完整版| 国产精品久久午夜夜伦鲁鲁| 中文字幕在线免费看线人| 成全高清免费观看MV| 精品国产18久久久久久| 亚洲一区二区国产精品| A级毛片免费全部播放视频| 国产在线精品一区免费香蕉|