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開通， かいつう
1. opening (of a new road, railway, etc.), going into operation (e.g. telephone communication), beginning services
2. reopening (e.g. of a road to traffic), resumption of services
开通（新道路、铁路等），投入运营（如电话通信），开始服务；重新开放（例如道路恢复通行）、恢复服务
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
する， 為る
1. to do, to carry out, to perform
2. to cause to become, to make (into), to turn (into)
3. to serve as, to act as, to work as
4. to wear (clothes, a facial expression, etc.)
5. to judge as being, to view as being, to think of as, to treat as, to use...
做，作，干，执行
