micrometer
n. 千分尺,测微计
例句
The position of the rod is determined by a micrometer screw gauge or spherometer.
杆的位置由千分尺螺丝规或球度计确定。
If one torr equals 1 millimeter of mercury, then 1 millitorr must be equivalent to 1 micrometer of mercury, right?
如果1托等于1毫米汞柱,那么1毫托一定等于1微米汞柱,对吧?
A micrometer is one thousandth of one millimeter.
一微米是一毫米的千分之一。