发条

• Send a message to the ships ofthe trade federation
  向贸易联盟的舰队发条消息
• Spring force of constant torque spring and wing - up spring
  定型发条及上炼发条的驱动力
• The formula and symbol of constant torque spring
  定型发条驱动力公式及代号
• Shape and spring back of constant torque spring
  定型发条的形状及翻动过程
• My watch has run down . i must have forgotten to wind it
  我的表停了，一定是忘记上发条了。
• Not me . these things are just lights and clockwork
  我可不是，它们只不过是一堆灯泡和发条
• It dives and then surfaces when it needs rewinding
  它可以下潜，需要上发条的时候再浮上来
• Your swing is like a tight - wound spring
  你的挥棒像是上紧的发条一样
• Tom wound his clock before he went to bed
  汤姆睡觉之前给钟上发条。
• I enjoyed the hushed , uneven ticking of a windup watch
  我享受着发条钟表安静而不均的啼搭声。