一种普通医用X线机放大摄影的专用计算工具——X线放大摄影计算尺,由面板尺和滑动尺组成,滑动尺借卡定装置固定于面板尺上并可沿面板尺表面滑动.面板尺标有纵座标,焦点线,焦点值,常用焦—片距放大曲线,滑动尺有横座标.推拉滑动尺,即可方便求出所用焦点的极限放大率,所用焦—片距的实际放大率及应采用的肢—片距....
Datasheet:492-93-210-32-980000 Datasheet (PDF) RoHs Status:Lead free / RoHS Compliant 库存:200 Share: 对比产品 数量 加入BOM询价 在线询价 温馨提示: 请填写以下信息,以便客户代表及时与您沟通库存数量和价格回复结果。 发送询价 492-93-210-32-980000 产品详情 ...
A tennis training machine is provided to enable a user to improve his/her hitting capability or smashing capability by having excellent exercising capacity and excellent returning speed. A tennis training machine consists of a ball fixing portion, an elastic thread portion and a position fixing porti...
In securities fraud cases, the RICO law provides greater penalties for the perpetrator and greater monetary recovery for the victim than do the securities laws. Under RICO, defendants face a maximum criminal penalty of 20 years in prison, a fine of $25,000, or both. Offenders would also forf...
因此,在进行齿轮制造时,齿轴修缘是一个必不可少的环节。 总的来说,齿轴修缘是提高齿轮质量和性能的关键环节。通过齿轴修缘,可以减小齿轮的噪音和振动,延长其使用寿命,提高齿轮传动的精度和稳定性。在进行齿轮制造时,齿轴修缘是一个必不可少的环节,需要注意以上几点,...