上海的许多大公司都专门设有售后服务中心，接受维修业务和处理客户投诉，目的在于与国际接轨。
Many large companies in Shanghai have geared themselves to the international conventions and set up aftersales services accepting repairs and dealing with customers, complaints.
通过一系列的试验，加拿大矿物与能源技术中心开发出了一项专门处理和利用煤矿矿井乏风中甲烷甲烷体积浓度0。
CH4MIN is a special technology for treatment and utilization of low concentration VAM with a volume concentration of 0.
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