surface-gauge

英 ['sɜːfɪsɡ'eɪdʒ] 美 ['sɜːfɪsɡ'eɪdʒ]

• n. 平面规；画平面针盘

英英释义

名词 surface gauge:

1. gauge consisting of a scriber mounted on an adjustable stand; used to test the accuracy of plane surfaces