表尺缺口

例句：

1. 1. The engineer measured the length of therope with a ruler and marked the spotwhere the knot was on the table.
   工程师用直尺测量了绳子的长度，并在桌子的这个位置标记了结点。
2. 2. The carpenter noticed that thewood was slightly off from the standard sizeand marked the gap between the two piecesof wood.
   木匠注意到木头比标准尺寸略小，并在两块木头之间标记了缝隙。
3. 3. The scientist used a caliper to measure the diameter of the pipeand noted the slight deviation from the standardtolerance.
   科学家使用卡尺测量管道的直径，并注意到与标准公差有轻微的偏差。