三丰内径千分尺:三丰千分尺368/468系列,三丰三点内径千分尺,三丰内径规,三丰数显内径千分尺/内径分厘卡,三爪千分尺.三点内径千分尺,三丰内径千分尺145-185,145-186,三丰三点内径千分尺368-906,368-907,368-901,368-912,368-913,368-914,368-915三丰数显内径千分尺,三丰内径分厘卡468-131,468-132,468-133,468-134-10,468-135-10,468-136-10,468-137-10,468-13)