应有一个确保气瓶和阀门的可追溯系统。
There should be a system in place ensuring traceability of cylinders and valves.
供方应向买方提供交付物的配置控制和可追溯系统。
Supplier shall cooperate with Buyer to provide configuration control and traceability systems for Deliverables supplied hereunder.
国际组织也已制定可追溯系统建设的相关准则和建议。
And the international organizations have constituted relevant rules and Suggestions about this.
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