驾驶员朋友可能已经注意到了,不少机械零部件上打印或者铸有各种字码,它们都有特定的含义,在采购时要辨认清楚,在维修作业中必须按有关要求正确地装配。 零部件上的字码大致有如下几类: 1.装配方向记号 此类字码常见的有以下几种:①活塞环开口端印的“上”、“S”、“T”、 Driver friends may have noticed that many mechanical parts printed or cast a variety of characters, they have a specific meaning, to be clearly identified in the procurement, maintenance operations must be properly assembled according to the relevant requirements. The parts on the code generally have the following categories: 1. Assembly direction mark Such words are common in the following categories: ① piston ring open end of the printed “on”, “S”, “T”