问题描述：
精密过滤器上的英文代表什么意思
HOUSING MAX WORKING PRESSURE TO 30KG/CM（小2）
DIFFERENT GRADE OF COLUMN CAN BE INSTALLED
IN THE SAME HOUSING
HOUSING MAX WORKING PRESSURE TO 30KG/CM（小2）
DIFFERENT GRADE OF COLUMN CAN BE INSTALLED
IN THE SAME HOUSING
问题解答：
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