1·Be able to use measure instrument, such as caliper, feeler gage, micrometer and so on.
熟悉使用常用计量器具，如卡尺，塞尺，千分尺等。
2·The maximum deflection under full load was measured with a "feeler" gage, and found to be a mere 0.0035 inch (0.09 mm).
最高偏转下，满负荷是衡量一个“触角”盖奇，发现是一个仅仅0.0035英寸(0.09毫米)。