1.缸套阻水圈为了防止发动机上的湿式缸套漏水，缸套阻水圈槽里都安装有阻水圈，这个阻水圈，只能使用1次。当缸套使用一定时间后，为了避免缸套偏磨，延长使用寿命，需将缸套拉出，旋转90°后重新压入，但阻水圈必须换新件。因为原来的阻水圈已老化变质。失去弹性，不能起到阻 1. Cylinder Water Block In order to prevent water leakage on the engine wet cylinder, cylinder block water ring groove are equipped with water blocking ring, the water blocking ring, can only be used once. When the cylinder liner is used for a certain period of time, in order to avoid partial wear of the cylinder liner and prolong the service life, the cylinder liner needs to be pulled out and re-pressed after being rotated by 90 °, but the water blocking ring must be replaced with a new one. Because the original water block has deteriorated. Lost flexibility, can not play resistance