铁砧：一小块经过研磨和抛光的铁块，附于千分尺上面作为平直固定的测量参考点。
ANVIL: a small piece of ground and lapped steel attached to the frame of a micrometer; serves as a flat, fixed point from which measurements can be taken.
金属光栅尺带有零位参考点，测量头安装在滚珠轴承上，驱动系统可锁定并进行微调(需选加附件)。
Incremental glass scale with reference point. Measuring head mounted on a ball-bearing. Drive system can be locked or tighten. Fine adjust can also be additionally mounted (available as an option).
这些色彩的尺量参考是swop瘪凸色彩参考。
The colors of the standard reference is SWOP high and low color reference.
在两边上的初步的比例尺仅供其他的分度参考。
On either side of Elementary Scale are other graduations for reference.
本文对不同焊接方法的钢轨焊头质量进行比较，提出线路上应优选移动式闪光焊焊接钢轨，并提出基地焊接长定尺钢轨的参考工位工序配置。
This paper makes a comparison of the quality of rail joints welded by different methods, proposes that the movable flashed welded rail should be adopted on passenger dedicated line, and pres...
本文对不同焊接方法的钢轨焊头质量进行比较，提出线路上应优选移动式闪光焊焊接钢轨，并提出基地焊接长定尺钢轨的参考工位工序配置。
This paper makes a comparison of the quality of rail joints welded by different methods, proposes that the movable flashed welded rail should be adopted on passenger dedicated line, and pres...
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