English letter writing is a writing format that senior high school students have to master.
英文书信是高中学生必须掌握的一种写作形式。
It advises that we should strengthen safety management on oil and gas transmitting pipeline, as well as accidents report writing format regulation.
建议加强油气输送管道的安全管理和事故报告规程。
It advises that we should strengthen safety management on oil and gas transmitting pipeline, as well as accidents report writing format regulation.
建议加强油气输送管道的安全管理和事故报告规程。
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