曲轴箱机油油标尺
crankcase oil level dipstick
液压转向油油尺
hydraulic steering oil dipstick
转盘马达液压油油尺管
swing motor oil dipstick tube
标尺标数进级
numerical progression of scale
垂直敏感度游标尺
vertical scanning frequency
滚轮式游标卡尺
roller-type venier calliper
螺旋游标尺
screw thread micrometer cal[l]iper
水平敏感度游标尺
horizontal scanning frequency