Step 4: Register a Resource with the Registration Service for processing.
第 4步：向注册服务注册一个资源以进行处理。
Heavy oil processing is a very important way to make reasonable use of petroleum resource.
重油深度加工是合理利用石油资源的重要途径。
Heavy oil processing is a very important way to make reasonable use of petroleum resource.
重油深度加工是合理利用石油资源的重要途径。
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