介绍了大尺寸测量用Unimaster仪器的结构、调整和使用。——编者为了滿足对大尺寸测量仪器的精度、热敏感性、剛性(弯曲变形最小)、使用簡便和讀数可靠等方面日益提高的要求,发展了Unimaster万能式量仪,其結构坚固,且經过簡单的調整,便可进行內尺寸和外尺寸的测量。 The structure, adjustment and use of the Unimaster instrument for large size measurements are described. - In order to meet the ever-increasing demands for large size measuring instruments such as accuracy, thermal sensitivity, rigidity (minimum bending deformation), ease of use and reliable readings, the editor developed the Unimaster Universal Gauge, a robust After a simple adjustment, it can be measured inside and outside dimensions.