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虽然数据有限,但短链氯化石蜡的主要释放源很有可能是聚氯乙烯(pvc)塑料等包含短链氯化石蜡产品的配制和生产过程,以及金属加工液的使用过程。
although data are limited, the major sources of release of sccps are likely the formulation and manufacturing of products containing sccps, such as polyvinyl chloride (pvc) plastics, and use in metalworking fluids.
所有 macbook pro 及 macbook air 型號均不含溴化防燃劑,又採用不含聚氯乙烯 (pvc) 膠的機內電線及元件。
all macbook pro and macbook air models contain no brominated flame retardants and use internal cables and components that are pvc-free.
* 上述古巴公司已向ring power公司和spears制造公司等美国公司及其在第三国家的子公司提交了购买管件、内外pvc附件、建筑车辆以及建筑设备零配件的询价请求。
:: the aforementioned cuban companies have submitted requests for proposal to north american companies such as ring power corporation and the spears manufacturing company, including their subsidiaries in third countries, for the purchase of pipes, interior and exterior pvc accessories, construction trucks, and parts and accessories for construction equipment.