可双向转换的游戏床与换布台婴儿床 two-way convertible play bed and cloth changing table crib
该装置以组合量块为标准，采用可换向的单测头和成本较低的电感测微仪进行定位测量。
The new measurement system of thermal deformation adopts combined gauges as standard length, single switchable measuring head and inductance micrometers to carry on relative measurement.
两组链条长度之差产生差动功能，可缓冲平衡重的换向惯性冲击。
The difference of the lengths of the two chains produces a differential action to damp the reverse inertia impact of the counterbalance weight.
介绍一种新型手用工具的工作原理及设计方法。该工具运用了一种新型棘轮换向机构，可提高手工攻丝或拆装螺纹工件的工作效率。
The operating principle and design method of a new manual tool are introduced. An intermittent revolution mechanism is applied to the tool to improve screwing efficiency.
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