现有游标深度尺的功能单一,对测量基准面无法直接触碰的深度尺寸难以精确测量。
Currently available vernier depth gauges are simple in measuring function, especially in measuring precisely the no touchable directly depth of the measuring datum plane.
批量生产中,操作者的劳动强度增大,生产效率较低,而且孔的深度尺寸精度也不高。
It accretes the labor intensity of the operator and reduces the production efficiency in lot production, and the depth-dimensional accuracy is not high.
“阿尔文”号潜艇:尺寸:长24英尺,宽9英尺,高12英尺;重量:20顿;操作时间:10.5小时;人员:1名驾驶员,2名研究者;最大深度:21,000英尺(2015年)上升速度:157英尺/分
Alvin: Size:24 ft. long, 9 ft wide, 12 ft. high (est.) Weight: 20 Tons Operating Time
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