新国标《公差与配合》采用的是国际公差制,它与旧国标采用的OCT公差制是有根本区别的。在配合新国标的宣贯工作中,为使广大读者加深对新标准的一些基本概念的理解,我们将六○六所周龙声同志提供的《公差与配合》测验题刊登出来,希望读者自我检验一下,看看自己学习、理解和掌握新国标的程度如何。 The new national standard “tolerance and cooperation” is the use of international tolerance system, which uses the old national standard OCT tolerance system is fundamentally different. In line with the new national standard of propaganda work, in order to enable readers to deepen some of the basic concepts of the new standard of understanding, we will be six hundred and six Comrades Zhou Longsheng published “tolerance and cooperation” test questions published in the hope that readers self-test , Take a look at how to learn, understand and master the new national standard.