材料必须符合已有的国标或行业的产品标准规定，以国家认可的检测机构出具的检测报告为准。
Materials must conform to the existing national standards or industry product standards, to nationally recognized testing agencies issued test report shall prevail.
标准：美标阀门、国标阀门广泛用于水电力、石化、环保、医药等行业。
Standard: American standard valve, the valve is widely used in the gb water power, petrochemical, environmental protection, medicine industry etc.
本文将此法和现有国标和国内行业习惯作对比研究，将对国内刚刚兴起的珠宝评估行业产生指导意义。
This paper has a correlation study between 'SPEED "method and the present national standard, industrial tradition, which will play a direction role in our new jewellery evaluation industry."
应用推荐