The alignment of the coupling should be performed by two dial gauges. 靠背輪的找正對準應用兩只千分表來(lái)進(jìn)行。
The micrometer, which is also called a clock gauge, is a measuring instrument which is more precise than a common ruler. 分厘卡又叫千分表,是一種遠比尺子精度高的長(cháng)度度量工具。