若储存超过12个月，使用前应检验产品质量。
When stored for more than 12 months, quality should be checked before use.
其检测的数据对于检验产品质量和划分产品等级来说是十分重要的。
Its measured data are very important for examining the quality of products and grading them.
禁止生产、销售或者使用未经依照产品质量法的规定确定的检验机构检验合格的消防产品。
It is prohibited to produce, sell or use fire control products without passing qualification check by the inspection organ designated in accordance with regulations of the product Quality Law.
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